28382367

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 45061920

約数和(自身を除く): 16679553

約数列:

[1, 3, 13, 17, 37, 39, 51, 89, 111, 169, 221, 267, 481, 507, 629, 663, 1157, 1443, 1513, 1887, 2873, 3293, 3471, 4539, 6253, 8177, 8619, 9879, 15041, 18759, 19669, 24531, 42809, 45123, 55981, 59007, 106301, 128427, 167943, 255697, 318903, 556517, 727753, 767091, 1669551, 2183259, 9460789, 28382367]

約数ペア:

[(1, 28382367), (3, 9460789), (13, 2183259), (17, 1669551), (37, 767091), (39, 727753), (51, 556517), (89, 318903), (111, 255697), (169, 167943), (221, 128427), (267, 106301), (481, 59007), (507, 55981), (629, 45123), (663, 42809), (1157, 24531), (1443, 19669), (1513, 18759), (1887, 15041), (2873, 9879), (3293, 8619), (3471, 8177), (4539, 6253)]