27987185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3967}}^1$

素因数の和:4072

約数の個数: 16

約数和(自身を含む): 35997696

約数和(自身を除く): 8010511

約数列:

[1, 5, 17, 83, 85, 415, 1411, 3967, 7055, 19835, 67439, 329261, 337195, 1646305, 5597437, 27987185]

約数ペア:

[(1, 27987185), (5, 5597437), (17, 1646305), (83, 337195), (85, 329261), (415, 67439), (1411, 19835), (3967, 7055)]