128580977

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{1283}}^1$

素因数の和:1532

約数の個数: 16

約数和(自身を含む): 149560320

約数和(自身を除く): 20979343

約数列:

[1, 7, 103, 139, 721, 973, 1283, 8981, 14317, 100219, 132149, 178337, 925043, 1248359, 18368711, 128580977]

約数ペア:

[(1, 128580977), (7, 18368711), (103, 1248359), (139, 925043), (721, 178337), (973, 132149), (1283, 100219), (8981, 14317)]