26790725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:426

約数の個数: 36

約数和(自身を含む): 38190636

約数和(自身を除く): 11399911

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 325, 373, 425, 845, 1105, 1865, 2873, 4225, 4849, 5525, 6341, 9325, 14365, 24245, 31705, 63037, 71825, 82433, 121225, 158525, 315185, 412165, 1071629, 1575925, 2060825, 5358145, 26790725]

約数ペア:

[(1, 26790725), (5, 5358145), (13, 2060825), (17, 1575925), (25, 1071629), (65, 412165), (85, 315185), (169, 158525), (221, 121225), (325, 82433), (373, 71825), (425, 63037), (845, 31705), (1105, 24245), (1865, 14365), (2873, 9325), (4225, 6341), (4849, 5525)]