87911824

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:549

約数の個数: 120

約数和(自身を含む): 230888000

約数和(自身を除く): 142976176

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 121, 143, 154, 176, 182, 208, 242, 286, 308, 364, 484, 499, 572, 616, 728, 847, 968, 998, 1001, 1144, 1232, 1456, 1573, 1694, 1936, 1996, 2002, 2288, 3146, 3388, 3493, 3992, 4004, 5489, 6292, 6487, 6776, 6986, 7984, 8008, 10978, 11011, 12584, 12974, 13552, 13972, 16016, 21956, 22022, 25168, 25948, 27944, 38423, 43912, 44044, 45409, 51896, 55888, 60379, 71357, 76846, 87824, 88088, 90818, 103792, 120758, 142714, 153692, 176176, 181636, 241516, 285428, 307384, 363272, 422653, 483032, 499499, 570856, 614768, 726544, 784927, 845306, 966064, 998998, 1141712, 1569854, 1690612, 1997996, 3139708, 3381224, 3995992, 5494489, 6279416, 6762448, 7991984, 10988978, 12558832, 21977956, 43955912, 87911824]

約数ペア:

[(1, 87911824), (2, 43955912), (4, 21977956), (7, 12558832), (8, 10988978), (11, 7991984), (13, 6762448), (14, 6279416), (16, 5494489), (22, 3995992), (26, 3381224), (28, 3139708), (44, 1997996), (52, 1690612), (56, 1569854), (77, 1141712), (88, 998998), (91, 966064), (104, 845306), (112, 784927), (121, 726544), (143, 614768), (154, 570856), (176, 499499), (182, 483032), (208, 422653), (242, 363272), (286, 307384), (308, 285428), (364, 241516), (484, 181636), (499, 176176), (572, 153692), (616, 142714), (728, 120758), (847, 103792), (968, 90818), (998, 88088), (1001, 87824), (1144, 76846), (1232, 71357), (1456, 60379), (1573, 55888), (1694, 51896), (1936, 45409), (1996, 44044), (2002, 43912), (2288, 38423), (3146, 27944), (3388, 25948), (3493, 25168), (3992, 22022), (4004, 21956), (5489, 16016), (6292, 13972), (6487, 13552), (6776, 12974), (6986, 12584), (7984, 11011), (8008, 10978)]