71810291

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17417}}^1$

素因数の和:17474

約数の個数: 16

約数和(自身を含む): 89180160

約数和(自身を除く): 17369869

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 17417, 121919, 330923, 539927, 2316461, 3779489, 10258613, 71810291]

約数ペア:

[(1, 71810291), (7, 10258613), (19, 3779489), (31, 2316461), (133, 539927), (217, 330923), (589, 121919), (4123, 17417)]