204580805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16831}}^1$

素因数の和:16877

約数の個数: 32

約数和(自身を含む): 305399808

約数和(自身を除く): 100819003

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 12155, 16831, 84155, 185141, 218803, 286127, 925705, 1094015, 1430635, 2406833, 3147397, 3719651, 12034165, 15736985, 18598255, 40916161, 204580805]

約数ペア:

[(1, 204580805), (5, 40916161), (11, 18598255), (13, 15736985), (17, 12034165), (55, 3719651), (65, 3147397), (85, 2406833), (143, 1430635), (187, 1094015), (221, 925705), (715, 286127), (935, 218803), (1105, 185141), (2431, 84155), (12155, 16831)]