68306576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{328397}}^1$

素因数の和:328418

約数の個数: 20

約数和(自身を含む): 142524732

約数和(自身を除く): 74218156

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 328397, 656794, 1313588, 2627176, 4269161, 5254352, 8538322, 17076644, 34153288, 68306576]

約数ペア:

[(1, 68306576), (2, 34153288), (4, 17076644), (8, 8538322), (13, 5254352), (16, 4269161), (26, 2627176), (52, 1313588), (104, 656794), (208, 328397)]