128857261

素因数分解:

${\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{10739}}^1$

素因数の和:10836

約数の個数: 12

約数和(自身を含む): 141510240

約数和(自身を除く): 12652979

約数列:

[1, 13, 71, 169, 923, 10739, 11999, 139607, 762469, 1814891, 9912097, 128857261]

約数ペア:

[(1, 128857261), (13, 9912097), (71, 1814891), (169, 762469), (923, 139607), (10739, 11999)]