28308412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{643373}}^1$

素因数の和:643388

約数の個数: 12

約数和(自身を含む): 54043416

約数和(自身を除く): 25735004

約数列:

[1, 2, 4, 11, 22, 44, 643373, 1286746, 2573492, 7077103, 14154206, 28308412]

約数ペア:

[(1, 28308412), (2, 14154206), (4, 7077103), (11, 2573492), (22, 1286746), (44, 643373)]