57115376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{209983}}^1$

素因数の和:210008

約数の個数: 20

約数和(自身を含む): 117171072

約数和(自身を除く): 60055696

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 209983, 419966, 839932, 1679864, 3359728, 3569711, 7139422, 14278844, 28557688, 57115376]

約数ペア:

[(1, 57115376), (2, 28557688), (4, 14278844), (8, 7139422), (16, 3569711), (17, 3359728), (34, 1679864), (68, 839932), (136, 419966), (272, 209983)]