71486987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 89752320

約数和(自身を除く): 18265333

約数列:

[1, 11, 13, 19, 83, 143, 209, 247, 317, 913, 1079, 1577, 2717, 3487, 4121, 6023, 11869, 17347, 20501, 26311, 45331, 66253, 78299, 225511, 289421, 342043, 499909, 861289, 3762473, 5498999, 6498817, 71486987]

約数ペア:

[(1, 71486987), (11, 6498817), (13, 5498999), (19, 3762473), (83, 861289), (143, 499909), (209, 342043), (247, 289421), (317, 225511), (913, 78299), (1079, 66253), (1577, 45331), (2717, 26311), (3487, 20501), (4121, 17347), (6023, 11869)]