8131981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 10442880

約数和(自身を除く): 2310899

約数列:

[1, 11, 13, 19, 41, 73, 143, 209, 247, 451, 533, 779, 803, 949, 1387, 2717, 2993, 5863, 8569, 10127, 10439, 15257, 18031, 32923, 38909, 56867, 111397, 198341, 427999, 625537, 739271, 8131981]

約数ペア:

[(1, 8131981), (11, 739271), (13, 625537), (19, 427999), (41, 198341), (73, 111397), (143, 56867), (209, 38909), (247, 32923), (451, 18031), (533, 15257), (779, 10439), (803, 10127), (949, 8569), (1387, 5863), (2717, 2993)]