68995690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{405857}}^1$

素因数の和:405881

約数の個数: 16

約数和(自身を含む): 131497992

約数和(自身を除く): 62502302

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 405857, 811714, 2029285, 4058570, 6899569, 13799138, 34497845, 68995690]

約数ペア:

[(1, 68995690), (2, 34497845), (5, 13799138), (10, 6899569), (17, 4058570), (34, 2029285), (85, 811714), (170, 405857)]