12690925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2297}}^1$

素因数の和:2337

約数の個数: 24

約数和(自身を含む): 17951976

約数和(自身を除く): 5261051

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 2297, 5525, 11485, 29861, 39049, 57425, 149305, 195245, 507637, 746525, 976225, 2538185, 12690925]

約数ペア:

[(1, 12690925), (5, 2538185), (13, 976225), (17, 746525), (25, 507637), (65, 195245), (85, 149305), (221, 57425), (325, 39049), (425, 29861), (1105, 11485), (2297, 5525)]