81149570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{427103}}^1$

素因数の和:427129

約数の個数: 16

約数和(自身を含む): 153757440

約数和(自身を除く): 72607870

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 427103, 854206, 2135515, 4271030, 8114957, 16229914, 40574785, 81149570]

約数ペア:

[(1, 81149570), (2, 40574785), (5, 16229914), (10, 8114957), (19, 4271030), (38, 2135515), (95, 854206), (190, 427103)]