66704239

素因数分解:

$7^3\times {\mathrm{113}}^1\times {\mathrm{1721}}^1$

素因数の和:1855

約数の個数: 16

約数和(自身を含む): 78523200

約数和(自身を除く): 11818961

約数列:

[1, 7, 49, 113, 343, 791, 1721, 5537, 12047, 38759, 84329, 194473, 590303, 1361311, 9529177, 66704239]

約数ペア:

[(1, 66704239), (7, 9529177), (49, 1361311), (113, 590303), (343, 194473), (791, 84329), (1721, 38759), (5537, 12047)]