128164078

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{247421}}^1$

素因数の和:247467

約数の個数: 16

約数和(自身を含む): 225648864

約数和(自身を除く): 97484786

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 247421, 494842, 1731947, 3463894, 9154577, 18309154, 64082039, 128164078]

約数ペア:

[(1, 128164078), (2, 64082039), (7, 18309154), (14, 9154577), (37, 3463894), (74, 1731947), (259, 494842), (518, 247421)]