28968245

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{83}}^2$

素因数の和:229

約数の個数: 18

約数和(自身を含む): 36440898

約数和(自身を除く): 7472653

約数列:

[1, 5, 29, 83, 145, 415, 841, 2407, 4205, 6889, 12035, 34445, 69803, 199781, 349015, 998905, 5793649, 28968245]

約数ペア:

[(1, 28968245), (5, 5793649), (29, 998905), (83, 349015), (145, 199781), (415, 69803), (841, 34445), (2407, 12035), (4205, 6889)]