67771870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{397}}^2$

素因数の和:844

約数の個数: 24

約数和(自身を含む): 125141544

約数和(自身を除く): 57369674

約数列:

[1, 2, 5, 10, 43, 86, 215, 397, 430, 794, 1985, 3970, 17071, 34142, 85355, 157609, 170710, 315218, 788045, 1576090, 6777187, 13554374, 33885935, 67771870]

約数ペア:

[(1, 67771870), (2, 33885935), (5, 13554374), (10, 6777187), (43, 1576090), (86, 788045), (215, 315218), (397, 170710), (430, 157609), (794, 85355), (1985, 34142), (3970, 17071)]