256289075

素因数分解:

$5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{13687}}^1$

素因数の和:13811

約数の個数: 24

約数和(自身を含む): 366619392

約数和(自身を除く): 110330317

約数列:

[1, 5, 7, 25, 35, 107, 175, 535, 749, 2675, 3745, 13687, 18725, 68435, 95809, 342175, 479045, 1464509, 2395225, 7322545, 10251563, 36612725, 51257815, 256289075]

約数ペア:

[(1, 256289075), (5, 51257815), (7, 36612725), (25, 10251563), (35, 7322545), (107, 2395225), (175, 1464509), (535, 479045), (749, 342175), (2675, 95809), (3745, 68435), (13687, 18725)]