12156263

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 20

約数和(自身を含む): 14587608

約数和(自身を除く): 2431345

約数列:

[1, 7, 49, 61, 83, 343, 427, 581, 2401, 2989, 4067, 5063, 20923, 28469, 35441, 146461, 199283, 248087, 1736609, 12156263]

約数ペア:

[(1, 12156263), (7, 1736609), (49, 248087), (61, 199283), (83, 146461), (343, 35441), (427, 28469), (581, 20923), (2401, 5063), (2989, 4067)]