1987376

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{557}}^1$

素因数の和:788

約数の個数: 20

約数和(自身を含む): 3874752

約数和(自身を除く): 1887376

約数列:

[1, 2, 4, 8, 16, 223, 446, 557, 892, 1114, 1784, 2228, 3568, 4456, 8912, 124211, 248422, 496844, 993688, 1987376]

約数ペア:

[(1, 1987376), (2, 993688), (4, 496844), (8, 248422), (16, 124211), (223, 8912), (446, 4456), (557, 3568), (892, 2228), (1114, 1784)]