16784999

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 22743000

約数和(自身を除く): 5958001

約数列:

[1, 7, 11, 19, 49, 77, 121, 133, 149, 209, 539, 847, 931, 1043, 1463, 1639, 2299, 2831, 5929, 7301, 10241, 11473, 16093, 18029, 19817, 31141, 80311, 112651, 126203, 138719, 217987, 342551, 883421, 1525909, 2397857, 16784999]

約数ペア:

[(1, 16784999), (7, 2397857), (11, 1525909), (19, 883421), (49, 342551), (77, 217987), (121, 138719), (133, 126203), (149, 112651), (209, 80311), (539, 31141), (847, 19817), (931, 18029), (1043, 16093), (1463, 11473), (1639, 10241), (2299, 7301), (2831, 5929)]