28640903

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 31337280

約数和(自身を除く): 2696377

約数列:

[1, 17, 61, 71, 389, 1037, 1207, 4331, 6613, 23729, 27619, 73627, 403393, 469523, 1684759, 28640903]

約数ペア:

[(1, 28640903), (17, 1684759), (61, 469523), (71, 403393), (389, 73627), (1037, 27619), (1207, 23729), (4331, 6613)]