15691804639

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{5249851}}^1$

素因数の和:5249926

約数の個数: 12

約数和(自身を含む): 18552976968

約数和(自身を除く): 2861172329

約数列:

[1, 7, 49, 61, 427, 2989, 5249851, 36748957, 257242699, 320240911, 2241686377, 15691804639]

約数ペア:

[(1, 15691804639), (7, 2241686377), (49, 320240911), (61, 257242699), (427, 36748957), (2989, 5249851)]