28165788

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{2281}}^1$

素因数の和:2312

約数の個数: 72

約数和(自身を含む): 83064800

約数和(自身を除く): 54899012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 2058, 2281, 3087, 4116, 4562, 6174, 6843, 9124, 12348, 13686, 15967, 20529, 27372, 31934, 41058, 47901, 63868, 82116, 95802, 111769, 143703, 191604, 223538, 287406, 335307, 447076, 574812, 670614, 782383, 1005921, 1341228, 1564766, 2011842, 2347149, 3129532, 4023684, 4694298, 7041447, 9388596, 14082894, 28165788]

約数ペア:

[(1, 28165788), (2, 14082894), (3, 9388596), (4, 7041447), (6, 4694298), (7, 4023684), (9, 3129532), (12, 2347149), (14, 2011842), (18, 1564766), (21, 1341228), (28, 1005921), (36, 782383), (42, 670614), (49, 574812), (63, 447076), (84, 335307), (98, 287406), (126, 223538), (147, 191604), (196, 143703), (252, 111769), (294, 95802), (343, 82116), (441, 63868), (588, 47901), (686, 41058), (882, 31934), (1029, 27372), (1372, 20529), (1764, 15967), (2058, 13686), (2281, 12348), (3087, 9124), (4116, 6843), (4562, 6174)]