128559781

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{33211}}^1$

素因数の和:33304

約数の個数: 12

約数和(自身を含む): 151446720

約数和(自身を除く): 22886939

約数列:

[1, 7, 49, 79, 553, 3871, 33211, 232477, 1627339, 2623669, 18365683, 128559781]

約数ペア:

[(1, 128559781), (7, 18365683), (49, 2623669), (79, 1627339), (553, 232477), (3871, 33211)]