90212915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{33851}}^1$

素因数の和:33910

約数の個数: 16

約数和(自身を含む): 119429856

約数和(自身を除く): 29216941

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 33851, 169255, 440063, 1387891, 2200315, 6939455, 18042583, 90212915]

約数ペア:

[(1, 90212915), (5, 18042583), (13, 6939455), (41, 2200315), (65, 1387891), (205, 440063), (533, 169255), (2665, 33851)]