28464247

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 34350480

約数和(自身を除く): 5886233

約数列:

[1, 7, 49, 61, 89, 107, 427, 623, 749, 2989, 4361, 5243, 5429, 6527, 9523, 38003, 45689, 66661, 266021, 319823, 466627, 580903, 4066321, 28464247]

約数ペア:

[(1, 28464247), (7, 4066321), (49, 580903), (61, 466627), (89, 319823), (107, 266021), (427, 66661), (623, 45689), (749, 38003), (2989, 9523), (4361, 6527), (5243, 5429)]