71120819

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 94210560

約数和(自身を除く): 23089741

約数列:

[1, 7, 11, 19, 77, 133, 173, 209, 281, 1211, 1463, 1903, 1967, 3091, 3287, 5339, 13321, 21637, 23009, 36157, 37373, 48613, 58729, 253099, 340291, 411103, 534743, 923647, 3743201, 6465529, 10160117, 71120819]

約数ペア:

[(1, 71120819), (7, 10160117), (11, 6465529), (19, 3743201), (77, 923647), (133, 534743), (173, 411103), (209, 340291), (281, 253099), (1211, 58729), (1463, 48613), (1903, 37373), (1967, 36157), (3091, 23009), (3287, 21637), (5339, 13321)]