28443866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 47952000

約数和(自身を除く): 19508134

約数列:

[1, 2, 11, 22, 73, 89, 146, 178, 199, 398, 803, 979, 1606, 1958, 2189, 4378, 6497, 12994, 14527, 17711, 29054, 35422, 71467, 142934, 159797, 194821, 319594, 389642, 1292903, 2585806, 14221933, 28443866]

約数ペア:

[(1, 28443866), (2, 14221933), (11, 2585806), (22, 1292903), (73, 389642), (89, 319594), (146, 194821), (178, 159797), (199, 142934), (398, 71467), (803, 35422), (979, 29054), (1606, 17711), (1958, 14527), (2189, 12994), (4378, 6497)]