80673892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21851}}^1$

素因数の和:21939

約数の個数: 24

約数和(自身を含む): 154187712

約数和(自身を除く): 73513820

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 21851, 43702, 87404, 284063, 568126, 1136252, 1551421, 3102842, 6205684, 20168473, 40336946, 80673892]

約数ペア:

[(1, 80673892), (2, 40336946), (4, 20168473), (13, 6205684), (26, 3102842), (52, 1551421), (71, 1136252), (142, 568126), (284, 284063), (923, 87404), (1846, 43702), (3692, 21851)]