28256470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{256877}}^1$

素因数の和:256895

約数の個数: 16

約数和(自身を含む): 55485648

約数和(自身を除く): 27229178

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 256877, 513754, 1284385, 2568770, 2825647, 5651294, 14128235, 28256470]

約数ペア:

[(1, 28256470), (2, 14128235), (5, 5651294), (10, 2825647), (11, 2568770), (22, 1284385), (55, 513754), (110, 256877)]