156912275

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{37139}}^1$

素因数の和:37175

約数の個数: 18

約数和(自身を含む): 210695220

約数和(自身を除く): 53782945

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 37139, 185695, 482807, 928475, 2414035, 6276491, 12070175, 31382455, 156912275]

約数ペア:

[(1, 156912275), (5, 31382455), (13, 12070175), (25, 6276491), (65, 2414035), (169, 928475), (325, 482807), (845, 185695), (4225, 37139)]