204128218

素因数分解:

$2^1\times 7^4\times {\mathrm{42509}}^1$

素因数の和:42539

約数の個数: 20

約数和(自身を含む): 357211530

約数和(自身を除く): 153083312

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 42509, 85018, 297563, 595126, 2082941, 4165882, 14580587, 29161174, 102064109, 204128218]

約数ペア:

[(1, 204128218), (2, 102064109), (7, 29161174), (14, 14580587), (49, 4165882), (98, 2082941), (343, 595126), (686, 297563), (2401, 85018), (4802, 42509)]