90181889

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{1201}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 109391616

約数和(自身を除く): 19209727

約数列:

[1, 7, 17, 119, 631, 1201, 4417, 8407, 10727, 20417, 75089, 142919, 757831, 5304817, 12883127, 90181889]

約数ペア:

[(1, 90181889), (7, 12883127), (17, 5304817), (119, 757831), (631, 142919), (1201, 75089), (4417, 20417), (8407, 10727)]