208051261

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 250822656

約数和(自身を除く): 42771395

約数列:

[1, 11, 23, 31, 41, 253, 341, 451, 647, 713, 943, 1271, 7117, 7843, 10373, 13981, 14881, 20057, 26527, 29233, 163691, 220627, 291797, 321563, 461311, 610121, 822337, 5074421, 6711331, 9045707, 18913751, 208051261]

約数ペア:

[(1, 208051261), (11, 18913751), (23, 9045707), (31, 6711331), (41, 5074421), (253, 822337), (341, 610121), (451, 461311), (647, 321563), (713, 291797), (943, 220627), (1271, 163691), (7117, 29233), (7843, 26527), (10373, 20057), (13981, 14881)]