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Über das harmonische Mittel der Teiler einer natürlichen Zahl

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Literatur

  1. Garcia, Mariano: On numbers with integral harmonic mean. Amer. Math. Monthly61, 89–96 (1954).

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  2. Kanold, Hans-Joachim: Über die Verteilung der vollkommenen Zahlen und allgemeinerer Zahlenmengen. Math. Ann.132, 442–450 (1956/57).

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  3. Laborde, Pedro: A note on the even perfect numbers. Amer. Math. Monthly62, 348–349 (1955).

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  4. Ore, Oystein: On the averages of the divisors of a number. Amer. Math. Monthly55, 614–619 (1948).

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Authors and Affiliations

  1. Braunschweig

    Hans-Joachim Kanold

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  1. Hans-Joachim Kanold
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Kanold, HJ. Über das harmonische Mittel der Teiler einer natürlichen Zahl. Math. Ann. 133, 371–374 (1957). https://doi.org/10.1007/BF01342887

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  • DOI: https://doi.org/10.1007/BF01342887

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