12290525

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{2909}}^1$

素因数の和:2945

約数の個数: 18

約数和(自身を含む): 16508430

約数和(自身を除く): 4217905

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 2909, 4225, 14545, 37817, 72725, 189085, 491621, 945425, 2458105, 12290525]

約数ペア:

[(1, 12290525), (5, 2458105), (13, 945425), (25, 491621), (65, 189085), (169, 72725), (325, 37817), (845, 14545), (2909, 4225)]