28357868

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1879}}^1$

素因数の和:1915

約数の個数: 48

約数和(自身を含む): 63168000

約数和(自身を除く): 34810132

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1372, 1879, 2156, 3758, 3773, 7516, 7546, 13153, 15092, 20669, 26306, 41338, 52612, 82676, 92071, 144683, 184142, 289366, 368284, 578732, 644497, 1012781, 1288994, 2025562, 2577988, 4051124, 7089467, 14178934, 28357868]

約数ペア:

[(1, 28357868), (2, 14178934), (4, 7089467), (7, 4051124), (11, 2577988), (14, 2025562), (22, 1288994), (28, 1012781), (44, 644497), (49, 578732), (77, 368284), (98, 289366), (154, 184142), (196, 144683), (308, 92071), (343, 82676), (539, 52612), (686, 41338), (1078, 26306), (1372, 20669), (1879, 15092), (2156, 13153), (3758, 7546), (3773, 7516)]