81556657

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1297}}^1$

素因数の和:2008

約数の個数: 16

約数和(自身を含む): 100600192

約数和(自身を除く): 19043535

約数列:

[1, 7, 13, 91, 691, 1297, 4837, 8983, 9079, 16861, 62881, 118027, 896227, 6273589, 11650951, 81556657]

約数ペア:

[(1, 81556657), (7, 11650951), (13, 6273589), (91, 896227), (691, 118027), (1297, 62881), (4837, 16861), (8983, 9079)]