218291227

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2341}}^1$

素因数の和:2539

約数の個数: 24

約数和(自身を含む): 278735472

約数和(自身を除く): 60444245

約数列:

[1, 7, 11, 49, 77, 173, 539, 1211, 1903, 2341, 8477, 13321, 16387, 25751, 93247, 114709, 180257, 404993, 1261799, 2834951, 4454923, 19844657, 31184461, 218291227]

約数ペア:

[(1, 218291227), (7, 31184461), (11, 19844657), (49, 4454923), (77, 2834951), (173, 1261799), (539, 404993), (1211, 180257), (1903, 114709), (2341, 93247), (8477, 25751), (13321, 16387)]