28787059

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{9631}}^1$

素因数の和:9706

約数の個数: 12

約数和(自身を含む): 34039488

約数和(自身を除く): 5252429

約数列:

[1, 7, 49, 61, 427, 2989, 9631, 67417, 471919, 587491, 4112437, 28787059]

約数ペア:

[(1, 28787059), (7, 4112437), (49, 587491), (61, 471919), (427, 67417), (2989, 9631)]