1278580079

素因数分解:

$7^2\times {\mathrm{401}}^1\times {\mathrm{65071}}^1$

素因数の和:65486

約数の個数: 12

約数和(自身を含む): 1491059808

約数和(自身を除く): 212479729

約数列:

[1, 7, 49, 401, 2807, 19649, 65071, 455497, 3188479, 26093471, 182654297, 1278580079]

約数ペア:

[(1, 1278580079), (7, 182654297), (49, 26093471), (401, 3188479), (2807, 455497), (19649, 65071)]