138889472794

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{18127}}^1\times {\mathrm{123581}}^1$

素因数の和:141741

約数の個数: 16

約数和(自身を含む): 215068271616

約数和(自身を除く): 76178798822

約数列:

[1, 2, 31, 62, 18127, 36254, 123581, 247162, 561937, 1123874, 3831011, 7662022, 2240152787, 4480305574, 69444736397, 138889472794]

約数ペア:

[(1, 138889472794), (2, 69444736397), (31, 4480305574), (62, 2240152787), (18127, 7662022), (36254, 3831011), (123581, 1123874), (247162, 561937)]