15720478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{103}}^1$

素因数の和:256

約数の個数: 24

約数和(自身を含む): 25592112

約数和(自身を除く): 9871634

約数列:

[1, 2, 17, 34, 67, 103, 134, 206, 1139, 1751, 2278, 3502, 4489, 6901, 8978, 13802, 76313, 117317, 152626, 234634, 462367, 924734, 7860239, 15720478]

約数ペア:

[(1, 15720478), (2, 7860239), (17, 924734), (34, 462367), (67, 234634), (103, 152626), (134, 117317), (206, 76313), (1139, 13802), (1751, 8978), (2278, 6901), (3502, 4489)]