28457872

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{6421}}^1$

素因数の和:6706

約数の個数: 20

約数和(自身を含む): 55344796

約数和(自身を除く): 26886924

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 6421, 12842, 25684, 51368, 102736, 1778617, 3557234, 7114468, 14228936, 28457872]

約数ペア:

[(1, 28457872), (2, 14228936), (4, 7114468), (8, 3557234), (16, 1778617), (277, 102736), (554, 51368), (1108, 25684), (2216, 12842), (4432, 6421)]