991655568

素因数分解:

$2^4\times 3^3\times {\mathrm{277}}^1\times {\mathrm{8287}}^1$

素因数の和:8581

約数の個数: 80

約数和(自身を含む): 2857039360

約数和(自身を除く): 1865383792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 277, 432, 554, 831, 1108, 1662, 2216, 2493, 3324, 4432, 4986, 6648, 7479, 8287, 9972, 13296, 14958, 16574, 19944, 24861, 29916, 33148, 39888, 49722, 59832, 66296, 74583, 99444, 119664, 132592, 149166, 198888, 223749, 298332, 397776, 447498, 596664, 894996, 1193328, 1789992, 2295499, 3579984, 4590998, 6886497, 9181996, 13772994, 18363992, 20659491, 27545988, 36727984, 41318982, 55091976, 61978473, 82637964, 110183952, 123956946, 165275928, 247913892, 330551856, 495827784, 991655568]

約数ペア:

[(1, 991655568), (2, 495827784), (3, 330551856), (4, 247913892), (6, 165275928), (8, 123956946), (9, 110183952), (12, 82637964), (16, 61978473), (18, 55091976), (24, 41318982), (27, 36727984), (36, 27545988), (48, 20659491), (54, 18363992), (72, 13772994), (108, 9181996), (144, 6886497), (216, 4590998), (277, 3579984), (432, 2295499), (554, 1789992), (831, 1193328), (1108, 894996), (1662, 596664), (2216, 447498), (2493, 397776), (3324, 298332), (4432, 223749), (4986, 198888), (6648, 149166), (7479, 132592), (8287, 119664), (9972, 99444), (13296, 74583), (14958, 66296), (16574, 59832), (19944, 49722), (24861, 39888), (29916, 33148)]