28512276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{947}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 72093504

約数和(自身を除く): 43581228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 193, 386, 579, 772, 947, 1158, 1894, 2316, 2509, 2841, 3788, 5018, 5682, 7527, 10036, 11364, 12311, 15054, 24622, 30108, 36933, 49244, 73866, 147732, 182771, 365542, 548313, 731084, 1096626, 2193252, 2376023, 4752046, 7128069, 9504092, 14256138, 28512276]

約数ペア:

[(1, 28512276), (2, 14256138), (3, 9504092), (4, 7128069), (6, 4752046), (12, 2376023), (13, 2193252), (26, 1096626), (39, 731084), (52, 548313), (78, 365542), (156, 182771), (193, 147732), (386, 73866), (579, 49244), (772, 36933), (947, 30108), (1158, 24622), (1894, 15054), (2316, 12311), (2509, 11364), (2841, 10036), (3788, 7527), (5018, 5682)]