31887895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13259}}^1$

素因数の和:13314

約数の個数: 16

約数和(自身を含む): 42325920

約数和(自身を除く): 10438025

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 13259, 66295, 172367, 490583, 861835, 2452915, 6377579, 31887895]

約数ペア:

[(1, 31887895), (5, 6377579), (13, 2452915), (37, 861835), (65, 490583), (185, 172367), (481, 66295), (2405, 13259)]