2529989

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 3319680

約数和(自身を除く): 789691

約数列:

[1, 7, 11, 29, 77, 103, 121, 203, 319, 721, 847, 1133, 2233, 2987, 3509, 7931, 12463, 20909, 24563, 32857, 87241, 229999, 361427, 2529989]

約数ペア:

[(1, 2529989), (7, 361427), (11, 229999), (29, 87241), (77, 32857), (103, 24563), (121, 20909), (203, 12463), (319, 7931), (721, 3509), (847, 2987), (1133, 2233)]