138210475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2137}}^1$

素因数の和:2359

約数の個数: 24

約数和(自身を含む): 185578400

約数和(自身を除く): 47367925

約数列:

[1, 5, 13, 25, 65, 199, 325, 995, 2137, 2587, 4975, 10685, 12935, 27781, 53425, 64675, 138905, 425263, 694525, 2126315, 5528419, 10631575, 27642095, 138210475]

約数ペア:

[(1, 138210475), (5, 27642095), (13, 10631575), (25, 5528419), (65, 2126315), (199, 694525), (325, 425263), (995, 138905), (2137, 64675), (2587, 53425), (4975, 27781), (10685, 12935)]