290605469

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1\times {\mathrm{2857}}^1$

素因数の和:4196

約数の個数: 16

約数和(自身を含む): 362714496

約数和(自身を除く): 72109027

約数列:

[1, 7, 11, 77, 1321, 2857, 9247, 14531, 19999, 31427, 101717, 219989, 3774097, 26418679, 41515067, 290605469]

約数ペア:

[(1, 290605469), (7, 41515067), (11, 26418679), (77, 3774097), (1321, 219989), (2857, 101717), (9247, 31427), (14531, 19999)]