90054428

素因数分解:

$2^2\times {\mathrm{101}}^2\times {\mathrm{2207}}^1$

素因数の和:2413

約数の個数: 18

約数和(自身を含む): 159243168

約数和(自身を除く): 69188740

約数列:

[1, 2, 4, 101, 202, 404, 2207, 4414, 8828, 10201, 20402, 40804, 222907, 445814, 891628, 22513607, 45027214, 90054428]

約数ペア:

[(1, 90054428), (2, 45027214), (4, 22513607), (101, 891628), (202, 445814), (404, 222907), (2207, 40804), (4414, 20402), (8828, 10201)]