28306508

素因数分解:

$2^2\times {\mathrm{509}}^1\times {\mathrm{13903}}^1$

素因数の和:14416

約数の個数: 12

約数和(自身を含む): 49637280

約数和(自身を除く): 21330772

約数列:

[1, 2, 4, 509, 1018, 2036, 13903, 27806, 55612, 7076627, 14153254, 28306508]

約数ペア:

[(1, 28306508), (2, 14153254), (4, 7076627), (509, 55612), (1018, 27806), (2036, 13903)]