201628505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{72139}}^1$

素因数の和:72200

約数の個数: 16

約数和(自身を含む): 266629440

約数和(自身を除く): 65000935

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 72139, 360695, 937807, 3101977, 4689035, 15509885, 40325701, 201628505]

約数ペア:

[(1, 201628505), (5, 40325701), (13, 15509885), (43, 4689035), (65, 3101977), (215, 937807), (559, 360695), (2795, 72139)]