138507978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1129}}^1$

素因数の和:1291

約数の個数: 64

約数和(自身を含む): 333250560

約数和(自身を除く): 194742582

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 127, 138, 161, 254, 322, 381, 483, 762, 889, 966, 1129, 1778, 2258, 2667, 2921, 3387, 5334, 5842, 6774, 7903, 8763, 15806, 17526, 20447, 23709, 25967, 40894, 47418, 51934, 61341, 77901, 122682, 143383, 155802, 181769, 286766, 363538, 430149, 545307, 860298, 1003681, 1090614, 2007362, 3011043, 3297809, 6022086, 6595618, 9893427, 19786854, 23084663, 46169326, 69253989, 138507978]

約数ペア:

[(1, 138507978), (2, 69253989), (3, 46169326), (6, 23084663), (7, 19786854), (14, 9893427), (21, 6595618), (23, 6022086), (42, 3297809), (46, 3011043), (69, 2007362), (127, 1090614), (138, 1003681), (161, 860298), (254, 545307), (322, 430149), (381, 363538), (483, 286766), (762, 181769), (889, 155802), (966, 143383), (1129, 122682), (1778, 77901), (2258, 61341), (2667, 51934), (2921, 47418), (3387, 40894), (5334, 25967), (5842, 23709), (6774, 20447), (7903, 17526), (8763, 15806)]