1388898095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{300953}}^1$

素因数の和:301042

約数の個数: 16

約数和(自身を含む): 1820169792

約数和(自身を除く): 431271697

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 300953, 1504765, 3912389, 19561945, 21367663, 106838315, 277779619, 1388898095]

約数ペア:

[(1, 1388898095), (5, 277779619), (13, 106838315), (65, 21367663), (71, 19561945), (355, 3912389), (923, 1504765), (4615, 300953)]