1971719281

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{19793}}^1$

素因数の和:19933

約数の個数: 24

約数和(自身を含む): 2437037280

約数和(自身を除く): 465317999

約数列:

[1, 7, 19, 49, 107, 133, 749, 931, 2033, 5243, 14231, 19793, 99617, 138551, 376067, 969857, 2117851, 2632469, 14824957, 18427283, 40239169, 103774699, 281674183, 1971719281]

約数ペア:

[(1, 1971719281), (7, 281674183), (19, 103774699), (49, 40239169), (107, 18427283), (133, 14824957), (749, 2632469), (931, 2117851), (2033, 969857), (5243, 376067), (14231, 138551), (19793, 99617)]