1557488

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:632

約数の個数: 20

約数和(自身を含む): 3037008

約数和(自身を除く): 1479520

約数列:

[1, 2, 4, 8, 16, 311, 313, 622, 626, 1244, 1252, 2488, 2504, 4976, 5008, 97343, 194686, 389372, 778744, 1557488]

約数ペア:

[(1, 1557488), (2, 778744), (4, 389372), (8, 194686), (16, 97343), (311, 5008), (313, 4976), (622, 2504), (626, 2488), (1244, 1252)]