639348479

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1657}}^1\times {\mathrm{5011}}^1$

素因数の和:6686

約数の個数: 16

約数和(自身を含む): 797750016

約数和(自身を除く): 158401537

約数列:

[1, 7, 11, 77, 1657, 5011, 11599, 18227, 35077, 55121, 127589, 385847, 8303227, 58122589, 91335497, 639348479]

約数ペア:

[(1, 639348479), (7, 91335497), (11, 58122589), (77, 8303227), (1657, 385847), (5011, 127589), (11599, 55121), (18227, 35077)]