3970390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13691}}^1$

素因数の和:13727

約数の個数: 16

約数和(自身を含む): 7393680

約数和(自身を除く): 3423290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 13691, 27382, 68455, 136910, 397039, 794078, 1985195, 3970390]

約数ペア:

[(1, 3970390), (2, 1985195), (5, 794078), (10, 397039), (29, 136910), (58, 68455), (145, 27382), (290, 13691)]