12843755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2851}}^1$

素因数の和:2926

約数の個数: 16

約数和(自身を含む): 16632864

約数和(自身を除く): 3789109

約数列:

[1, 5, 17, 53, 85, 265, 901, 2851, 4505, 14255, 48467, 151103, 242335, 755515, 2568751, 12843755]

約数ペア:

[(1, 12843755), (5, 2568751), (17, 755515), (53, 242335), (85, 151103), (265, 48467), (901, 14255), (2851, 4505)]