208059475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3217}}^1$

素因数の和:3439

約数の個数: 24

約数和(自身を含む): 279322400

約数和(自身を除く): 71262925

約数列:

[1, 5, 13, 25, 65, 199, 325, 995, 2587, 3217, 4975, 12935, 16085, 41821, 64675, 80425, 209105, 640183, 1045525, 3200915, 8322379, 16004575, 41611895, 208059475]

約数ペア:

[(1, 208059475), (5, 41611895), (13, 16004575), (25, 8322379), (65, 3200915), (199, 1045525), (325, 640183), (995, 209105), (2587, 80425), (3217, 64675), (4975, 41821), (12935, 16085)]