28468765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2687}}^1$

素因数の和:2868

約数の個数: 16

約数和(自身を含む): 37029888

約数和(自身を除く): 8561123

約数列:

[1, 5, 13, 65, 163, 815, 2119, 2687, 10595, 13435, 34931, 174655, 437981, 2189905, 5693753, 28468765]

約数ペア:

[(1, 28468765), (5, 5693753), (13, 2189905), (65, 437981), (163, 174655), (815, 34931), (2119, 13435), (2687, 10595)]