1285448978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2540413}}^1$

素因数の和:2540449

約数の個数: 16

約数和(自身を含む): 2194917696

約数和(自身を除く): 909468718

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 2540413, 5080826, 27944543, 55889086, 58429499, 116858998, 642724489, 1285448978]

約数ペア:

[(1, 1285448978), (2, 642724489), (11, 116858998), (22, 58429499), (23, 55889086), (46, 27944543), (253, 5080826), (506, 2540413)]