16628057

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^2$

素因数の和:149

約数の個数: 18

約数和(自身を含む): 18842922

約数和(自身を除く): 2214865

約数列:

[1, 17, 23, 43, 391, 529, 731, 989, 1849, 8993, 16813, 22747, 31433, 42527, 386699, 722959, 978121, 16628057]

約数ペア:

[(1, 16628057), (17, 978121), (23, 722959), (43, 386699), (391, 42527), (529, 31433), (731, 22747), (989, 16813), (1849, 8993)]