64116865

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 78074496

約数和(自身を除く): 13957631

約数列:

[1, 5, 151, 163, 521, 755, 815, 2605, 24613, 78671, 84923, 123065, 393355, 424615, 12823373, 64116865]

約数ペア:

[(1, 64116865), (5, 12823373), (151, 424615), (163, 393355), (521, 123065), (755, 84923), (815, 78671), (2605, 24613)]