81630728

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{2029}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 157852800

約数和(自身を除く): 76222072

約数列:

[1, 2, 4, 8, 47, 94, 107, 188, 214, 376, 428, 856, 2029, 4058, 5029, 8116, 10058, 16232, 20116, 40232, 95363, 190726, 217103, 381452, 434206, 762904, 868412, 1736824, 10203841, 20407682, 40815364, 81630728]

約数ペア:

[(1, 81630728), (2, 40815364), (4, 20407682), (8, 10203841), (47, 1736824), (94, 868412), (107, 762904), (188, 434206), (214, 381452), (376, 217103), (428, 190726), (856, 95363), (2029, 40232), (4058, 20116), (5029, 16232), (8116, 10058)]