6664889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 8401536

約数和(自身を除く): 1736647

約数列:

[1, 7, 11, 77, 101, 707, 857, 1111, 5999, 7777, 9427, 65989, 86557, 605899, 952127, 6664889]

約数ペア:

[(1, 6664889), (7, 952127), (11, 605899), (77, 86557), (101, 65989), (707, 9427), (857, 7777), (1111, 5999)]