638664930239

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{123433}}^1\times {\mathrm{15727}}^1$

素因数の和:139214

約数の個数: 16

約数和(自身を含む): 745486061568

約数和(自身を除く): 106821131329

約数列:

[1, 7, 47, 329, 15727, 110089, 123433, 739169, 864031, 5174183, 5801351, 40609457, 1941230791, 13588615537, 91237847177, 638664930239]

約数ペア:

[(1, 638664930239), (7, 91237847177), (47, 13588615537), (329, 1941230791), (15727, 40609457), (110089, 5801351), (123433, 5174183), (739169, 864031)]