31382390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1481}}^1$

素因数の和:1664

約数の個数: 32

約数和(自身を含む): 61248096

約数和(自身を除く): 29865706

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1481, 1630, 2119, 2962, 4238, 7405, 10595, 14810, 19253, 21190, 38506, 96265, 192530, 241403, 482806, 1207015, 2414030, 3138239, 6276478, 15691195, 31382390]

約数ペア:

[(1, 31382390), (2, 15691195), (5, 6276478), (10, 3138239), (13, 2414030), (26, 1207015), (65, 482806), (130, 241403), (163, 192530), (326, 96265), (815, 38506), (1481, 21190), (1630, 19253), (2119, 14810), (2962, 10595), (4238, 7405)]