638462881

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{4409}}^1$

素因数の和:4704

約数の個数: 16

約数和(自身を含む): 740033280

約数和(自身を除く): 101570399

約数列:

[1, 7, 137, 151, 959, 1057, 4409, 20687, 30863, 144809, 604033, 665759, 4228231, 4660313, 91208983, 638462881]

約数ペア:

[(1, 638462881), (7, 91208983), (137, 4660313), (151, 4228231), (959, 665759), (1057, 604033), (4409, 144809), (20687, 30863)]