80943436

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{21101}}^1$

素因数の和:21249

約数の個数: 24

約数和(自身を含む): 163076256

約数和(自身を除く): 82132820

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 21101, 42202, 84404, 147707, 295414, 590828, 2890837, 5781674, 11563348, 20235859, 40471718, 80943436]

約数ペア:

[(1, 80943436), (2, 40471718), (4, 20235859), (7, 11563348), (14, 5781674), (28, 2890837), (137, 590828), (274, 295414), (548, 147707), (959, 84404), (1918, 42202), (3836, 21101)]