211345554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:799

約数の個数: 64

約数和(自身を含む): 498871296

約数和(自身を除く): 287525742

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 307, 443, 518, 614, 777, 886, 921, 1329, 1554, 1842, 2149, 2658, 3101, 4298, 6202, 6447, 9303, 11359, 12894, 16391, 18606, 22718, 32782, 34077, 49173, 68154, 79513, 98346, 114737, 136001, 159026, 229474, 238539, 272002, 344211, 408003, 477078, 688422, 816006, 952007, 1904014, 2856021, 5032037, 5712042, 10064074, 15096111, 30192222, 35224259, 70448518, 105672777, 211345554]

約数ペア:

[(1, 211345554), (2, 105672777), (3, 70448518), (6, 35224259), (7, 30192222), (14, 15096111), (21, 10064074), (37, 5712042), (42, 5032037), (74, 2856021), (111, 1904014), (222, 952007), (259, 816006), (307, 688422), (443, 477078), (518, 408003), (614, 344211), (777, 272002), (886, 238539), (921, 229474), (1329, 159026), (1554, 136001), (1842, 114737), (2149, 98346), (2658, 79513), (3101, 68154), (4298, 49173), (6202, 34077), (6447, 32782), (9303, 22718), (11359, 18606), (12894, 16391)]