81504028

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{160441}}^1$

素因数の和:160572

約数の個数: 12

約数和(自身を含む): 143756032

約数和(自身を除く): 62252004

約数列:

[1, 2, 4, 127, 254, 508, 160441, 320882, 641764, 20376007, 40752014, 81504028]

約数ペア:

[(1, 81504028), (2, 40752014), (4, 20376007), (127, 641764), (254, 320882), (508, 160441)]