209515912

素因数分解:

$2^3\times {\mathrm{2441}}^1\times {\mathrm{10729}}^1$

素因数の和:13176

約数の個数: 16

約数和(自身を含む): 393039900

約数和(自身を除く): 183523988

約数列:

[1, 2, 4, 8, 2441, 4882, 9764, 10729, 19528, 21458, 42916, 85832, 26189489, 52378978, 104757956, 209515912]

約数ペア:

[(1, 209515912), (2, 104757956), (4, 52378978), (8, 26189489), (2441, 85832), (4882, 42916), (9764, 21458), (10729, 19528)]