28112665

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{11003}}^1$

素因数の和:11088

約数の個数: 16

約数和(自身を含む): 39086208

約数和(自身を除く): 10973543

約数列:

[1, 5, 7, 35, 73, 365, 511, 2555, 11003, 55015, 77021, 385105, 803219, 4016095, 5622533, 28112665]

約数ペア:

[(1, 28112665), (5, 5622533), (7, 4016095), (35, 803219), (73, 385105), (365, 77021), (511, 55015), (2555, 11003)]