1255489781

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{32771}}^1$

素因数の和:33212

約数の個数: 16

約数和(自身を含む): 1548935808

約数和(自身を除く): 293446027

約数列:

[1, 7, 13, 91, 421, 2947, 5473, 32771, 38311, 229397, 426023, 2982161, 13796591, 96576137, 179355683, 1255489781]

約数ペア:

[(1, 1255489781), (7, 179355683), (13, 96576137), (91, 13796591), (421, 2982161), (2947, 426023), (5473, 229397), (32771, 38311)]