209370551

素因数分解:

${\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{17449}}^1$

素因数の和:17546

約数の個数: 12

約数和(自身を含む): 229921200

約数和(自身を除く): 20550649

約数列:

[1, 13, 71, 169, 923, 11999, 17449, 226837, 1238879, 2948881, 16105427, 209370551]

約数ペア:

[(1, 209370551), (13, 16105427), (71, 2948881), (169, 1238879), (923, 226837), (11999, 17449)]