28667815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{12713}}^1$

素因数の和:12770

約数の個数: 16

約数和(自身を含む): 38447136

約数和(自身を除く): 9779321

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 12713, 63565, 139843, 521233, 699215, 2606165, 5733563, 28667815]

約数ペア:

[(1, 28667815), (5, 5733563), (11, 2606165), (41, 699215), (55, 521233), (205, 139843), (451, 63565), (2255, 12713)]