28403782

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{117371}}^1$

素因数の和:117395

約数の個数: 12

約数和(自身を含む): 46831428

約数和(自身を除く): 18427646

約数列:

[1, 2, 11, 22, 121, 242, 117371, 234742, 1291081, 2582162, 14201891, 28403782]

約数ペア:

[(1, 28403782), (2, 14201891), (11, 2582162), (22, 1291081), (121, 234742), (242, 117371)]