31660018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{863}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 54867456

約数和(自身を除く): 23207438

約数列:

[1, 2, 13, 17, 26, 34, 83, 166, 221, 442, 863, 1079, 1411, 1726, 2158, 2822, 11219, 14671, 18343, 22438, 29342, 36686, 71629, 143258, 190723, 381446, 931177, 1217693, 1862354, 2435386, 15830009, 31660018]

約数ペア:

[(1, 31660018), (2, 15830009), (13, 2435386), (17, 1862354), (26, 1217693), (34, 931177), (83, 381446), (166, 190723), (221, 143258), (442, 71629), (863, 36686), (1079, 29342), (1411, 22438), (1726, 18343), (2158, 14671), (2822, 11219)]