90911665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2837}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 128731680

約数和(自身を除く): 37820015

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 1105, 1885, 2465, 2837, 6409, 14185, 32045, 36881, 48229, 82273, 184405, 241145, 411365, 626977, 1069549, 1398641, 3134885, 5347745, 6993205, 18182333, 90911665]

約数ペア:

[(1, 90911665), (5, 18182333), (13, 6993205), (17, 5347745), (29, 3134885), (65, 1398641), (85, 1069549), (145, 626977), (221, 411365), (377, 241145), (493, 184405), (1105, 82273), (1885, 48229), (2465, 36881), (2837, 32045), (6409, 14185)]