81249985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{1409}}^1$

素因数の和:2040

約数の個数: 16

約数和(自身を含む): 102873600

約数和(自身を除く): 21623615

約数列:

[1, 5, 19, 95, 607, 1409, 3035, 7045, 11533, 26771, 57665, 133855, 855263, 4276315, 16249997, 81249985]

約数ペア:

[(1, 81249985), (5, 16249997), (19, 4276315), (95, 855263), (607, 133855), (1409, 57665), (3035, 26771), (7045, 11533)]