31663990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 58320000

約数和(自身を除く): 26656010

約数列:

[1, 2, 5, 10, 79, 149, 158, 269, 298, 395, 538, 745, 790, 1345, 1490, 2690, 11771, 21251, 23542, 40081, 42502, 58855, 80162, 106255, 117710, 200405, 212510, 400810, 3166399, 6332798, 15831995, 31663990]

約数ペア:

[(1, 31663990), (2, 15831995), (5, 6332798), (10, 3166399), (79, 400810), (149, 212510), (158, 200405), (269, 117710), (298, 106255), (395, 80162), (538, 58855), (745, 42502), (790, 40081), (1345, 23542), (1490, 21251), (2690, 11771)]