208078325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{91463}}^1$

素因数の和:91493

約数の個数: 24

約数和(自身を含む): 317563008

約数和(自身を除く): 109484683

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 91463, 457315, 640241, 1189019, 2286575, 3201205, 5945095, 8323133, 16006025, 29725475, 41615665, 208078325]

約数ペア:

[(1, 208078325), (5, 41615665), (7, 29725475), (13, 16006025), (25, 8323133), (35, 5945095), (65, 3201205), (91, 2286575), (175, 1189019), (325, 640241), (455, 457315), (2275, 91463)]