71665217

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{613}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 85564584

約数和(自身を除く): 13899367

約数列:

[1, 13, 17, 23, 221, 299, 391, 529, 613, 5083, 6877, 7969, 8993, 10421, 14099, 116909, 135473, 183287, 239683, 324277, 3115879, 4215601, 5512709, 71665217]

約数ペア:

[(1, 71665217), (13, 5512709), (17, 4215601), (23, 3115879), (221, 324277), (299, 239683), (391, 183287), (529, 135473), (613, 116909), (5083, 14099), (6877, 10421), (7969, 8993)]