208243399

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73819}}^1$

素因数の和:73870

約数の個数: 16

約数和(自身を含む): 264570880

約数和(自身を除く): 56327481

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 73819, 516733, 959647, 2288389, 6717529, 16018723, 29749057, 208243399]

約数ペア:

[(1, 208243399), (7, 29749057), (13, 16018723), (31, 6717529), (91, 2288389), (217, 959647), (403, 516733), (2821, 73819)]