28991196

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{6883}}^1$

素因数の和:6912

約数の個数: 60

約数和(自身を含む): 81630472

約数和(自身を除く): 52639276

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 6883, 13766, 20649, 27532, 41298, 61947, 82596, 89479, 123894, 178958, 185841, 247788, 268437, 357916, 371682, 536874, 557523, 743364, 805311, 1073748, 1115046, 1610622, 2230092, 2415933, 3221244, 4831866, 7247799, 9663732, 14495598, 28991196]

約数ペア:

[(1, 28991196), (2, 14495598), (3, 9663732), (4, 7247799), (6, 4831866), (9, 3221244), (12, 2415933), (13, 2230092), (18, 1610622), (26, 1115046), (27, 1073748), (36, 805311), (39, 743364), (52, 557523), (54, 536874), (78, 371682), (81, 357916), (108, 268437), (117, 247788), (156, 185841), (162, 178958), (234, 123894), (324, 89479), (351, 82596), (468, 61947), (702, 41298), (1053, 27532), (1404, 20649), (2106, 13766), (4212, 6883)]