12641390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43591}}^1$

素因数の和:43627

約数の個数: 16

約数和(自身を含む): 23539680

約数和(自身を除く): 10898290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 43591, 87182, 217955, 435910, 1264139, 2528278, 6320695, 12641390]

約数ペア:

[(1, 12641390), (2, 6320695), (5, 2528278), (10, 1264139), (29, 435910), (58, 217955), (145, 87182), (290, 43591)]