31103891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2459}}^1$

素因数の和:2618

約数の個数: 16

約数和(自身を含む): 38572800

約数和(自身を除く): 7468909

約数列:

[1, 7, 13, 91, 139, 973, 1807, 2459, 12649, 17213, 31967, 223769, 341801, 2392607, 4443413, 31103891]

約数ペア:

[(1, 31103891), (7, 4443413), (13, 2392607), (91, 341801), (139, 223769), (973, 31967), (1807, 17213), (2459, 12649)]