638996825999

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{1627}}^1\times {\mathrm{195493}}^1$

素因数の和:197175

約数の個数: 24

約数和(自身を含む): 761924571408

約数和(自身を除く): 122927745409

約数列:

[1, 7, 41, 49, 287, 1627, 2009, 11389, 66707, 79723, 195493, 466949, 1368451, 3268643, 8015213, 9579157, 56106491, 318067111, 392745437, 2226469777, 13040751551, 15585288439, 91285260857, 638996825999]

約数ペア:

[(1, 638996825999), (7, 91285260857), (41, 15585288439), (49, 13040751551), (287, 2226469777), (1627, 392745437), (2009, 318067111), (11389, 56106491), (66707, 9579157), (79723, 8015213), (195493, 3268643), (466949, 1368451)]