66499867

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 83235840

約数和(自身を除く): 16735973

約数列:

[1, 7, 19, 31, 127, 133, 217, 589, 889, 2413, 3937, 4123, 16129, 16891, 27559, 74803, 112903, 306451, 499999, 523621, 2145157, 3499993, 9499981, 66499867]

約数ペア:

[(1, 66499867), (7, 9499981), (19, 3499993), (31, 2145157), (127, 523621), (133, 499999), (217, 306451), (589, 112903), (889, 74803), (2413, 27559), (3937, 16891), (4123, 16129)]