256435312

素因数分解:

$2^4\times 7^1\times {\mathrm{2289601}}^1$

素因数の和:2289616

約数の個数: 20

約数和(自身を含む): 567821296

約数和(自身を除く): 311385984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2289601, 4579202, 9158404, 16027207, 18316808, 32054414, 36633616, 64108828, 128217656, 256435312]

約数ペア:

[(1, 256435312), (2, 128217656), (4, 64108828), (7, 36633616), (8, 32054414), (14, 18316808), (16, 16027207), (28, 9158404), (56, 4579202), (112, 2289601)]