128566864

素因数分解:

$2^4\times {\mathrm{1283}}^1\times {\mathrm{6263}}^1$

素因数の和:7554

約数の個数: 20

約数和(自身を含む): 249332256

約数和(自身を除く): 120765392

約数列:

[1, 2, 4, 8, 16, 1283, 2566, 5132, 6263, 10264, 12526, 20528, 25052, 50104, 100208, 8035429, 16070858, 32141716, 64283432, 128566864]

約数ペア:

[(1, 128566864), (2, 64283432), (4, 32141716), (8, 16070858), (16, 8035429), (1283, 100208), (2566, 50104), (5132, 25052), (6263, 20528), (10264, 12526)]