81666046

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 72

約数和(自身を含む): 160474608

約数和(自身を除く): 78808562

約数列:

[1, 2, 7, 11, 14, 22, 49, 71, 77, 97, 98, 121, 142, 154, 194, 242, 497, 539, 679, 781, 847, 994, 1067, 1078, 1358, 1562, 1694, 2134, 3479, 4753, 5467, 5929, 6887, 6958, 7469, 8591, 9506, 10934, 11737, 11858, 13774, 14938, 17182, 23474, 38269, 48209, 52283, 60137, 75757, 76538, 82159, 96418, 104566, 120274, 151514, 164318, 337463, 420959, 530299, 575113, 674926, 833327, 841918, 1060598, 1150226, 1666654, 3712093, 5833289, 7424186, 11666578, 40833023, 81666046]

約数ペア:

[(1, 81666046), (2, 40833023), (7, 11666578), (11, 7424186), (14, 5833289), (22, 3712093), (49, 1666654), (71, 1150226), (77, 1060598), (97, 841918), (98, 833327), (121, 674926), (142, 575113), (154, 530299), (194, 420959), (242, 337463), (497, 164318), (539, 151514), (679, 120274), (781, 104566), (847, 96418), (994, 82159), (1067, 76538), (1078, 75757), (1358, 60137), (1562, 52283), (1694, 48209), (2134, 38269), (3479, 23474), (4753, 17182), (5467, 14938), (5929, 13774), (6887, 11858), (6958, 11737), (7469, 10934), (8591, 9506)]