16690751

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 21597312

約数和(自身を除く): 4906561

約数列:

[1, 7, 11, 43, 71, 77, 301, 473, 497, 781, 3053, 3311, 5041, 5467, 21371, 33583, 35287, 55451, 216763, 235081, 388157, 1517341, 2384393, 16690751]

約数ペア:

[(1, 16690751), (7, 2384393), (11, 1517341), (43, 388157), (71, 235081), (77, 216763), (301, 55451), (473, 35287), (497, 33583), (781, 21371), (3053, 5467), (3311, 5041)]