28039036

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{98729}}^1$

素因数の和:98804

約数の個数: 12

約数和(自身を含む): 49759920

約数和(自身を除く): 21720884

約数列:

[1, 2, 4, 71, 142, 284, 98729, 197458, 394916, 7009759, 14019518, 28039036]

約数ペア:

[(1, 28039036), (2, 14019518), (4, 7009759), (71, 394916), (142, 197458), (284, 98729)]