28657212

素因数分解:

$2^2\times 3^1\times {\mathrm{2388101}}^1$

素因数の和:2388108

約数の個数: 12

約数和(自身を含む): 66866856

約数和(自身を除く): 38209644

約数列:

[1, 2, 3, 4, 6, 12, 2388101, 4776202, 7164303, 9552404, 14328606, 28657212]

約数ペア:

[(1, 28657212), (2, 14328606), (3, 9552404), (4, 7164303), (6, 4776202), (12, 2388101)]