31976791

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2035

約数の個数: 24

約数和(自身を含む): 42304640

約数和(自身を除く): 10327849

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 847, 1463, 1987, 2299, 13909, 16093, 21857, 37753, 152999, 240427, 264271, 415283, 1682989, 2906981, 4568113, 31976791]

約数ペア:

[(1, 31976791), (7, 4568113), (11, 2906981), (19, 1682989), (77, 415283), (121, 264271), (133, 240427), (209, 152999), (847, 37753), (1463, 21857), (1987, 16093), (2299, 13909)]