81298448

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^2\times {\mathrm{857}}^1$

素因数の和:901

約数の個数: 90

約数和(自身を含む): 201639438

約数和(自身を除く): 120340990

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 242, 308, 392, 484, 539, 616, 784, 847, 857, 968, 1078, 1232, 1694, 1714, 1936, 2156, 3388, 3428, 4312, 5929, 5999, 6776, 6856, 8624, 9427, 11858, 11998, 13552, 13712, 18854, 23716, 23996, 37708, 41993, 47432, 47992, 65989, 75416, 83986, 94864, 95984, 103697, 131978, 150832, 167972, 207394, 263956, 335944, 414788, 461923, 527912, 671888, 725879, 829576, 923846, 1055824, 1451758, 1659152, 1847692, 2903516, 3695384, 5081153, 5807032, 7390768, 10162306, 11614064, 20324612, 40649224, 81298448]

約数ペア:

[(1, 81298448), (2, 40649224), (4, 20324612), (7, 11614064), (8, 10162306), (11, 7390768), (14, 5807032), (16, 5081153), (22, 3695384), (28, 2903516), (44, 1847692), (49, 1659152), (56, 1451758), (77, 1055824), (88, 923846), (98, 829576), (112, 725879), (121, 671888), (154, 527912), (176, 461923), (196, 414788), (242, 335944), (308, 263956), (392, 207394), (484, 167972), (539, 150832), (616, 131978), (784, 103697), (847, 95984), (857, 94864), (968, 83986), (1078, 75416), (1232, 65989), (1694, 47992), (1714, 47432), (1936, 41993), (2156, 37708), (3388, 23996), (3428, 23716), (4312, 18854), (5929, 13712), (5999, 13552), (6776, 11998), (6856, 11858), (8624, 9427)]