12881372

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2063}}^1$

素因数の和:2297

約数の個数: 24

約数和(自身を含む): 25890816

約数和(自身を除く): 13009444

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 2063, 3122, 4126, 6244, 8252, 14441, 28882, 57764, 460049, 920098, 1840196, 3220343, 6440686, 12881372]

約数ペア:

[(1, 12881372), (2, 6440686), (4, 3220343), (7, 1840196), (14, 920098), (28, 460049), (223, 57764), (446, 28882), (892, 14441), (1561, 8252), (2063, 6244), (3122, 4126)]