16830425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{199}}^2$

素因数の和:425

約数の個数: 18

約数和(自身を含む): 22208958

約数和(自身を除く): 5378533

約数列:

[1, 5, 17, 25, 85, 199, 425, 995, 3383, 4975, 16915, 39601, 84575, 198005, 673217, 990025, 3366085, 16830425]

約数ペア:

[(1, 16830425), (5, 3366085), (17, 990025), (25, 673217), (85, 198005), (199, 84575), (425, 39601), (995, 16915), (3383, 4975)]