31555225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{643}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 42483392

約数和(自身を除く): 10928167

約数列:

[1, 5, 13, 25, 65, 151, 325, 643, 755, 1963, 3215, 3775, 8359, 9815, 16075, 41795, 49075, 97093, 208975, 485465, 1262209, 2427325, 6311045, 31555225]

約数ペア:

[(1, 31555225), (5, 6311045), (13, 2427325), (25, 1262209), (65, 485465), (151, 208975), (325, 97093), (643, 49075), (755, 41795), (1963, 16075), (3215, 9815), (3775, 8359)]