631472

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:716

約数の個数: 20

約数和(自身を含む): 1245456

約数和(自身を除く): 613984

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 647, 976, 1294, 2588, 5176, 10352, 39467, 78934, 157868, 315736, 631472]

約数ペア:

[(1, 631472), (2, 315736), (4, 157868), (8, 78934), (16, 39467), (61, 10352), (122, 5176), (244, 2588), (488, 1294), (647, 976)]