81565372

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{13063}}^1$

素因数の和:13297

約数の個数: 24

約数和(自身を含む): 163874816

約数和(自身を除く): 82309444

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 13063, 26126, 52252, 91441, 182882, 365764, 2913049, 5826098, 11652196, 20391343, 40782686, 81565372]

約数ペア:

[(1, 81565372), (2, 40782686), (4, 20391343), (7, 11652196), (14, 5826098), (28, 2913049), (223, 365764), (446, 182882), (892, 91441), (1561, 52252), (3122, 26126), (6244, 13063)]