128486512

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:555

約数の個数: 120

約数和(自身を含む): 329840000

約数和(自身を除く): 201353488

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 121, 133, 152, 154, 176, 209, 242, 266, 304, 308, 418, 484, 499, 532, 616, 836, 847, 968, 998, 1064, 1232, 1463, 1672, 1694, 1936, 1996, 2128, 2299, 2926, 3344, 3388, 3493, 3992, 4598, 5489, 5852, 6776, 6986, 7984, 9196, 9481, 10978, 11704, 13552, 13972, 16093, 18392, 18962, 21956, 23408, 27944, 32186, 36784, 37924, 38423, 43912, 55888, 60379, 64372, 66367, 75848, 76846, 87824, 104291, 120758, 128744, 132734, 151696, 153692, 208582, 241516, 257488, 265468, 307384, 417164, 422653, 483032, 530936, 614768, 730037, 834328, 845306, 966064, 1061872, 1147201, 1460074, 1668656, 1690612, 2294402, 2920148, 3381224, 4588804, 5840296, 6762448, 8030407, 9177608, 11680592, 16060814, 18355216, 32121628, 64243256, 128486512]

約数ペア:

[(1, 128486512), (2, 64243256), (4, 32121628), (7, 18355216), (8, 16060814), (11, 11680592), (14, 9177608), (16, 8030407), (19, 6762448), (22, 5840296), (28, 4588804), (38, 3381224), (44, 2920148), (56, 2294402), (76, 1690612), (77, 1668656), (88, 1460074), (112, 1147201), (121, 1061872), (133, 966064), (152, 845306), (154, 834328), (176, 730037), (209, 614768), (242, 530936), (266, 483032), (304, 422653), (308, 417164), (418, 307384), (484, 265468), (499, 257488), (532, 241516), (616, 208582), (836, 153692), (847, 151696), (968, 132734), (998, 128744), (1064, 120758), (1232, 104291), (1463, 87824), (1672, 76846), (1694, 75848), (1936, 66367), (1996, 64372), (2128, 60379), (2299, 55888), (2926, 43912), (3344, 38423), (3388, 37924), (3493, 36784), (3992, 32186), (4598, 27944), (5489, 23408), (5852, 21956), (6776, 18962), (6986, 18392), (7984, 16093), (9196, 13972), (9481, 13552), (10978, 11704)]