71578381

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{5323}}^1$

素因数の和:5460

約数の個数: 16

約数和(自身を含む): 87398784

約数和(自身を除く): 15820403

約数列:

[1, 7, 17, 113, 119, 791, 1921, 5323, 13447, 37261, 90491, 601499, 633437, 4210493, 10225483, 71578381]

約数ペア:

[(1, 71578381), (7, 10225483), (17, 4210493), (113, 633437), (119, 601499), (791, 90491), (1921, 37261), (5323, 13447)]