72021755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2791}}^1$

素因数の和:3206

約数の個数: 16

約数和(自身を含む): 93342144

約数和(自身を除く): 21320389

約数列:

[1, 5, 13, 65, 397, 1985, 2791, 5161, 13955, 25805, 36283, 181415, 1108027, 5540135, 14404351, 72021755]

約数ペア:

[(1, 72021755), (5, 14404351), (13, 5540135), (65, 1108027), (397, 181415), (1985, 36283), (2791, 25805), (5161, 13955)]