28255668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1279}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 75694080

約数和(自身を除く): 47438412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 263, 526, 789, 1052, 1279, 1578, 1841, 2558, 3156, 3682, 3837, 5116, 5523, 7364, 7674, 8953, 11046, 15348, 17906, 22092, 26859, 35812, 53718, 107436, 336377, 672754, 1009131, 1345508, 2018262, 2354639, 4036524, 4709278, 7063917, 9418556, 14127834, 28255668]

約数ペア:

[(1, 28255668), (2, 14127834), (3, 9418556), (4, 7063917), (6, 4709278), (7, 4036524), (12, 2354639), (14, 2018262), (21, 1345508), (28, 1009131), (42, 672754), (84, 336377), (263, 107436), (526, 53718), (789, 35812), (1052, 26859), (1279, 22092), (1578, 17906), (1841, 15348), (2558, 11046), (3156, 8953), (3682, 7674), (3837, 7364), (5116, 5523)]