28032277

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 37560320

約数和(自身を除く): 9528043

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 403, 523, 589, 1729, 2821, 3661, 4123, 6799, 7657, 9937, 16213, 47593, 53599, 69559, 113491, 129181, 210769, 308047, 904267, 1475383, 2156329, 4004611, 28032277]

約数ペア:

[(1, 28032277), (7, 4004611), (13, 2156329), (19, 1475383), (31, 904267), (91, 308047), (133, 210769), (217, 129181), (247, 113491), (403, 69559), (523, 53599), (589, 47593), (1729, 16213), (2821, 9937), (3661, 7657), (4123, 6799)]