280974869

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3391}}^1$

素因数の和:3513

約数の個数: 24

約数和(自身を含む): 348019200

約数和(自身を除く): 67044331

約数列:

[1, 7, 19, 49, 89, 133, 623, 931, 1691, 3391, 4361, 11837, 23737, 64429, 82859, 166159, 301799, 451003, 2112593, 3157021, 5734181, 14788151, 40139267, 280974869]

約数ペア:

[(1, 280974869), (7, 40139267), (19, 14788151), (49, 5734181), (89, 3157021), (133, 2112593), (623, 451003), (931, 301799), (1691, 166159), (3391, 82859), (4361, 64429), (11837, 23737)]