51391585

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24071}}^1$

素因数の和:24144

約数の個数: 16

約数和(自身を含む): 71638272

約数和(自身を除く): 20246687

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 24071, 120355, 168497, 842485, 1468331, 7341655, 10278317, 51391585]

約数ペア:

[(1, 51391585), (5, 10278317), (7, 7341655), (35, 1468331), (61, 842485), (305, 168497), (427, 120355), (2135, 24071)]