28459856

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{4349}}^1$

素因数の和:4766

約数の個数: 20

約数和(自身を含む): 55288500

約数和(自身を除く): 26828644

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 4349, 6544, 8698, 17396, 34792, 69584, 1778741, 3557482, 7114964, 14229928, 28459856]

約数ペア:

[(1, 28459856), (2, 14229928), (4, 7114964), (8, 3557482), (16, 1778741), (409, 69584), (818, 34792), (1636, 17396), (3272, 8698), (4349, 6544)]