201478556

素因数分解:

$2^2\times {\mathrm{89}}^2\times {\mathrm{6359}}^1$

素因数の和:6541

約数の個数: 18

約数和(自身を含む): 356649720

約数和(自身を除く): 155171164

約数列:

[1, 2, 4, 89, 178, 356, 6359, 7921, 12718, 15842, 25436, 31684, 565951, 1131902, 2263804, 50369639, 100739278, 201478556]

約数ペア:

[(1, 201478556), (2, 100739278), (4, 50369639), (89, 2263804), (178, 1131902), (356, 565951), (6359, 31684), (7921, 25436), (12718, 15842)]