15669199

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 19378240

約数和(自身を除く): 3709041

約数列:

[1, 7, 13, 91, 409, 421, 2863, 2947, 5317, 5473, 37219, 38311, 172189, 1205323, 2238457, 15669199]

約数ペア:

[(1, 15669199), (7, 2238457), (13, 1205323), (91, 172189), (409, 38311), (421, 37219), (2863, 5473), (2947, 5317)]