31831813

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 35216496

約数和(自身を除く): 3384683

約数列:

[1, 13, 61, 137, 293, 793, 1781, 3809, 8357, 17873, 40141, 108641, 232349, 521833, 2448601, 31831813]

約数ペア:

[(1, 31831813), (13, 2448601), (61, 521833), (137, 232349), (293, 108641), (793, 40141), (1781, 17873), (3809, 8357)]