66518569

素因数分解:

${\mathrm{13}}^4\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 20

約数和(自身を含む): 76857444

約数和(自身を除く): 10338875

約数列:

[1, 13, 17, 137, 169, 221, 1781, 2197, 2329, 2873, 23153, 28561, 30277, 37349, 300989, 393601, 485537, 3912857, 5116813, 66518569]

約数ペア:

[(1, 66518569), (13, 5116813), (17, 3912857), (137, 485537), (169, 393601), (221, 300989), (1781, 37349), (2197, 30277), (2329, 28561), (2873, 23153)]