660006641

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1\times {\mathrm{2389}}^1$

素因数の和:3104

約数の個数: 16

約数和(自身を含む): 768165120

約数和(自身を除く): 108158479

約数列:

[1, 7, 61, 427, 647, 2389, 4529, 16723, 39467, 145729, 276269, 1020103, 1545683, 10819781, 94286663, 660006641]

約数ペア:

[(1, 660006641), (7, 94286663), (61, 10819781), (427, 1545683), (647, 1020103), (2389, 276269), (4529, 145729), (16723, 39467)]