28121071070

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{10942051}}^1$

素因数の和:10942315

約数の個数: 16

約数和(自身を含む): 50814889488

約数和(自身を除く): 22693818418

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 10942051, 21884102, 54710255, 109420510, 2812107107, 5624214214, 14060535535, 28121071070]

約数ペア:

[(1, 28121071070), (2, 14060535535), (5, 5624214214), (10, 2812107107), (257, 109420510), (514, 54710255), (1285, 21884102), (2570, 10942051)]