2561656

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{887}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 5074920

約数和(自身を除く): 2513264

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 887, 1444, 1774, 2888, 3548, 7096, 16853, 33706, 67412, 134824, 320207, 640414, 1280828, 2561656]

約数ペア:

[(1, 2561656), (2, 1280828), (4, 640414), (8, 320207), (19, 134824), (38, 67412), (76, 33706), (152, 16853), (361, 7096), (722, 3548), (887, 2888), (1444, 1774)]