128862064

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{78193}}^1$

素因数の和:78304

約数の個数: 20

約数和(自身を含む): 252097456

約数和(自身を除く): 123235392

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 78193, 156386, 312772, 625544, 1251088, 8053879, 16107758, 32215516, 64431032, 128862064]

約数ペア:

[(1, 128862064), (2, 64431032), (4, 32215516), (8, 16107758), (16, 8053879), (103, 1251088), (206, 625544), (412, 312772), (824, 156386), (1648, 78193)]