164966555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{443}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 226908864

約数和(自身を除く): 61942309

約数列:

[1, 5, 13, 17, 65, 85, 221, 337, 443, 1105, 1685, 2215, 4381, 5729, 5759, 7531, 21905, 28645, 28795, 37655, 74477, 97903, 149291, 372385, 489515, 746455, 1940783, 2537947, 9703915, 12689735, 32993311, 164966555]

約数ペア:

[(1, 164966555), (5, 32993311), (13, 12689735), (17, 9703915), (65, 2537947), (85, 1940783), (221, 746455), (337, 489515), (443, 372385), (1105, 149291), (1685, 97903), (2215, 74477), (4381, 37655), (5729, 28795), (5759, 28645), (7531, 21905)]