128560376

素因数分解:

$2^3\times 7^1\times {\mathrm{2295721}}^1$

素因数の和:2295734

約数の個数: 16

約数和(自身を含む): 275486640

約数和(自身を除く): 146926264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2295721, 4591442, 9182884, 16070047, 18365768, 32140094, 64280188, 128560376]

約数ペア:

[(1, 128560376), (2, 64280188), (4, 32140094), (7, 18365768), (8, 16070047), (14, 9182884), (28, 4591442), (56, 2295721)]