71981404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{39901}}^1$

素因数の和:39957

約数の個数: 24

約数和(自身を含む): 140774256

約数和(自身を除く): 68792852

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 39901, 79802, 159604, 438911, 877822, 1635941, 1755644, 3271882, 6543764, 17995351, 35990702, 71981404]

約数ペア:

[(1, 71981404), (2, 35990702), (4, 17995351), (11, 6543764), (22, 3271882), (41, 1755644), (44, 1635941), (82, 877822), (164, 438911), (451, 159604), (902, 79802), (1804, 39901)]