81251588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{11329}}^1$

素因数の和:11507

約数の個数: 24

約数和(自身を含む): 156082080

約数和(自身を除く): 74830492

約数列:

[1, 2, 4, 11, 22, 44, 163, 326, 652, 1793, 3586, 7172, 11329, 22658, 45316, 124619, 249238, 498476, 1846627, 3693254, 7386508, 20312897, 40625794, 81251588]

約数ペア:

[(1, 81251588), (2, 40625794), (4, 20312897), (11, 7386508), (22, 3693254), (44, 1846627), (163, 498476), (326, 249238), (652, 124619), (1793, 45316), (3586, 22658), (7172, 11329)]