56521855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{51151}}^1$

素因数の和:51186

約数の個数: 16

約数和(自身を含む): 77341824

約数和(自身を除く): 20819969

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 51151, 255755, 664963, 869567, 3324815, 4347835, 11304371, 56521855]

約数ペア:

[(1, 56521855), (5, 11304371), (13, 4347835), (17, 3324815), (65, 869567), (85, 664963), (221, 255755), (1105, 51151)]