68685292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1320871}}^1$

素因数の和:1320888

約数の個数: 12

約数和(自身を含む): 129445456

約数和(自身を除く): 60760164

約数列:

[1, 2, 4, 13, 26, 52, 1320871, 2641742, 5283484, 17171323, 34342646, 68685292]

約数ペア:

[(1, 68685292), (2, 34342646), (4, 17171323), (13, 5283484), (26, 2641742), (52, 1320871)]