217796657

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{1021}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 239515920

約数和(自身を除く): 21719263

約数列:

[1, 13, 61, 269, 793, 1021, 3497, 13273, 16409, 62281, 213317, 274649, 809653, 3570437, 16753589, 217796657]

約数ペア:

[(1, 217796657), (13, 16753589), (61, 3570437), (269, 809653), (793, 274649), (1021, 213317), (3497, 62281), (13273, 16409)]