220198045

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1\times {\mathrm{617}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 267109488

約数和(自身を除く): 46911443

約数列:

[1, 5, 137, 521, 617, 685, 2605, 3085, 71377, 84529, 321457, 356885, 422645, 1607285, 44039609, 220198045]

約数ペア:

[(1, 220198045), (5, 44039609), (137, 1607285), (521, 422645), (617, 356885), (685, 321457), (2605, 84529), (3085, 71377)]