28557688

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{209983}}^1$

素因数の和:210006

約数の個数: 16

約数和(自身を含む): 56695680

約数和(自身を除く): 28137992

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 209983, 419966, 839932, 1679864, 3569711, 7139422, 14278844, 28557688]

約数ペア:

[(1, 28557688), (2, 14278844), (4, 7139422), (8, 3569711), (17, 1679864), (34, 839932), (68, 419966), (136, 209983)]