156639445

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{108401}}^1$

素因数の和:108440

約数の個数: 12

約数和(自身を含む): 199676484

約数和(自身を除く): 43037039

約数列:

[1, 5, 17, 85, 289, 1445, 108401, 542005, 1842817, 9214085, 31327889, 156639445]

約数ペア:

[(1, 156639445), (5, 31327889), (17, 9214085), (85, 1842817), (289, 542005), (1445, 108401)]