1668085

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 16

約数和(自身を含む): 2096640

約数和(自身を除く): 428555

約数列:

[1, 5, 41, 79, 103, 205, 395, 515, 3239, 4223, 8137, 16195, 21115, 40685, 333617, 1668085]

約数ペア:

[(1, 1668085), (5, 333617), (41, 40685), (79, 21115), (103, 16195), (205, 8137), (395, 4223), (515, 3239)]