208512445

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{12497}}^1$

素因数の和:12620

約数の個数: 16

約数和(自身を含む): 259158528

約数和(自身を除く): 50646083

約数列:

[1, 5, 47, 71, 235, 355, 3337, 12497, 16685, 62485, 587359, 887287, 2936795, 4436435, 41702489, 208512445]

約数ペア:

[(1, 208512445), (5, 41702489), (47, 4436435), (71, 2936795), (235, 887287), (355, 587359), (3337, 62485), (12497, 16685)]