157217825

素因数分解:

$5^2\times {\mathrm{1571}}^1\times {\mathrm{4003}}^1$

素因数の和:5584

約数の個数: 12

約数和(自身を含む): 195122928

約数和(自身を除く): 37905103

約数列:

[1, 5, 25, 1571, 4003, 7855, 20015, 39275, 100075, 6288713, 31443565, 157217825]

約数ペア:

[(1, 157217825), (5, 31443565), (25, 6288713), (1571, 100075), (4003, 39275), (7855, 20015)]