28731456

素因数分解:

$2^6\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1313

約数の個数: 112

約数和(自身を含む): 91033600

約数和(自身を除く): 62302144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 144, 156, 192, 208, 216, 234, 288, 312, 351, 416, 432, 468, 576, 624, 702, 832, 864, 936, 1248, 1279, 1404, 1728, 1872, 2496, 2558, 2808, 3744, 3837, 5116, 5616, 7488, 7674, 10232, 11232, 11511, 15348, 16627, 20464, 22464, 23022, 30696, 33254, 34533, 40928, 46044, 49881, 61392, 66508, 69066, 81856, 92088, 99762, 122784, 133016, 138132, 149643, 184176, 199524, 245568, 266032, 276264, 299286, 368352, 399048, 448929, 532064, 552528, 598572, 736704, 798096, 897858, 1064128, 1105056, 1197144, 1596192, 1795716, 2210112, 2394288, 3192384, 3591432, 4788576, 7182864, 9577152, 14365728, 28731456]

約数ペア:

[(1, 28731456), (2, 14365728), (3, 9577152), (4, 7182864), (6, 4788576), (8, 3591432), (9, 3192384), (12, 2394288), (13, 2210112), (16, 1795716), (18, 1596192), (24, 1197144), (26, 1105056), (27, 1064128), (32, 897858), (36, 798096), (39, 736704), (48, 598572), (52, 552528), (54, 532064), (64, 448929), (72, 399048), (78, 368352), (96, 299286), (104, 276264), (108, 266032), (117, 245568), (144, 199524), (156, 184176), (192, 149643), (208, 138132), (216, 133016), (234, 122784), (288, 99762), (312, 92088), (351, 81856), (416, 69066), (432, 66508), (468, 61392), (576, 49881), (624, 46044), (702, 40928), (832, 34533), (864, 33254), (936, 30696), (1248, 23022), (1279, 22464), (1404, 20464), (1728, 16627), (1872, 15348), (2496, 11511), (2558, 11232), (2808, 10232), (3744, 7674), (3837, 7488), (5116, 5616)]