81390043

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{4649}}^1$

素因数の和:4758

約数の個数: 16

約数和(自身を含む): 96868800

約数和(自身を除く): 15478757

約数列:

[1, 7, 41, 61, 287, 427, 2501, 4649, 17507, 32543, 190609, 283589, 1334263, 1985123, 11627149, 81390043]

約数ペア:

[(1, 81390043), (7, 11627149), (41, 1985123), (61, 1334263), (287, 283589), (427, 190609), (2501, 32543), (4649, 17507)]