127728944

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 300218880

約数和(自身を除く): 172489936

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 193, 266, 304, 311, 386, 532, 622, 772, 1064, 1244, 1351, 1544, 2128, 2177, 2488, 2702, 3088, 3667, 4354, 4976, 5404, 5909, 7334, 8708, 10808, 11818, 14668, 17416, 21616, 23636, 25669, 29336, 34832, 41363, 47272, 51338, 58672, 60023, 82726, 94544, 102676, 120046, 165452, 205352, 240092, 330904, 410704, 420161, 480184, 661808, 840322, 960368, 1140437, 1680644, 2280874, 3361288, 4561748, 6722576, 7983059, 9123496, 15966118, 18246992, 31932236, 63864472, 127728944]

約数ペア:

[(1, 127728944), (2, 63864472), (4, 31932236), (7, 18246992), (8, 15966118), (14, 9123496), (16, 7983059), (19, 6722576), (28, 4561748), (38, 3361288), (56, 2280874), (76, 1680644), (112, 1140437), (133, 960368), (152, 840322), (193, 661808), (266, 480184), (304, 420161), (311, 410704), (386, 330904), (532, 240092), (622, 205352), (772, 165452), (1064, 120046), (1244, 102676), (1351, 94544), (1544, 82726), (2128, 60023), (2177, 58672), (2488, 51338), (2702, 47272), (3088, 41363), (3667, 34832), (4354, 29336), (4976, 25669), (5404, 23636), (5909, 21616), (7334, 17416), (8708, 14668), (10808, 11818)]