128335781

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{3217}}^1$

素因数の和:3404

約数の個数: 16

約数和(自身を含む): 151374720

約数和(自身を除く): 23038939

約数列:

[1, 7, 41, 139, 287, 973, 3217, 5699, 22519, 39893, 131897, 447163, 923279, 3130141, 18333683, 128335781]

約数ペア:

[(1, 128335781), (7, 18333683), (41, 3130141), (139, 923279), (287, 447163), (973, 131897), (3217, 39893), (5699, 22519)]