28453222

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 54720000

約数和(自身を除く): 26266778

約数列:

[1, 2, 7, 14, 19, 37, 38, 49, 59, 74, 98, 118, 133, 259, 266, 343, 413, 518, 686, 703, 826, 931, 1121, 1406, 1813, 1862, 2183, 2242, 2891, 3626, 4366, 4921, 5782, 6517, 7847, 9842, 12691, 13034, 15281, 15694, 20237, 25382, 30562, 34447, 40474, 41477, 54929, 68894, 82954, 106967, 109858, 213934, 241129, 290339, 384503, 482258, 580678, 748769, 769006, 1497538, 2032373, 4064746, 14226611, 28453222]

約数ペア:

[(1, 28453222), (2, 14226611), (7, 4064746), (14, 2032373), (19, 1497538), (37, 769006), (38, 748769), (49, 580678), (59, 482258), (74, 384503), (98, 290339), (118, 241129), (133, 213934), (259, 109858), (266, 106967), (343, 82954), (413, 68894), (518, 54929), (686, 41477), (703, 40474), (826, 34447), (931, 30562), (1121, 25382), (1406, 20237), (1813, 15694), (1862, 15281), (2183, 13034), (2242, 12691), (2891, 9842), (3626, 7847), (4366, 6517), (4921, 5782)]