64791209

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2351}}^1$

素因数の和:2516

約数の個数: 16

約数和(自身を含む): 77070336

約数和(自身を除く): 12279127

約数列:

[1, 7, 31, 127, 217, 889, 2351, 3937, 16457, 27559, 72881, 298577, 510167, 2090039, 9255887, 64791209]

約数ペア:

[(1, 64791209), (7, 9255887), (31, 2090039), (127, 510167), (217, 298577), (889, 72881), (2351, 27559), (3937, 16457)]