11538475

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{2731}}^1$

素因数の和:2767

約数の個数: 18

約数和(自身を含む): 15498636

約数和(自身を除く): 3960161

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 2731, 4225, 13655, 35503, 68275, 177515, 461539, 887575, 2307695, 11538475]

約数ペア:

[(1, 11538475), (5, 2307695), (13, 887575), (25, 461539), (65, 177515), (169, 68275), (325, 35503), (845, 13655), (2731, 4225)]