28338709

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 35340000

約数和(自身を除く): 7001291

約数列:

[1, 7, 19, 49, 61, 133, 427, 499, 931, 1159, 2989, 3493, 8113, 9481, 24451, 30439, 56791, 66367, 213073, 464569, 578341, 1491511, 4048387, 28338709]

約数ペア:

[(1, 28338709), (7, 4048387), (19, 1491511), (49, 578341), (61, 464569), (133, 213073), (427, 66367), (499, 56791), (931, 30439), (1159, 24451), (2989, 9481), (3493, 8113)]