990750292

素因数分解:

$2^2\times 7^1\times {\mathrm{35383939}}^1$

素因数の和:35383950

約数の個数: 12

約数和(自身を含む): 1981500640

約数和(自身を除く): 990750348

約数列:

[1, 2, 4, 7, 14, 28, 35383939, 70767878, 141535756, 247687573, 495375146, 990750292]

約数ペア:

[(1, 990750292), (2, 495375146), (4, 247687573), (7, 141535756), (14, 70767878), (28, 35383939)]