256603986

素因数分解:

$2^1\times 3^2\times {\mathrm{1543}}^1\times {\mathrm{9239}}^1$

素因数の和:10790

約数の個数: 24

約数和(自身を含む): 556395840

約数和(自身を除く): 299791854

約数列:

[1, 2, 3, 6, 9, 18, 1543, 3086, 4629, 9239, 9258, 13887, 18478, 27717, 27774, 55434, 83151, 166302, 14255777, 28511554, 42767331, 85534662, 128301993, 256603986]

約数ペア:

[(1, 256603986), (2, 128301993), (3, 85534662), (6, 42767331), (9, 28511554), (18, 14255777), (1543, 166302), (3086, 83151), (4629, 55434), (9239, 27774), (9258, 27717), (13887, 18478)]