72210905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{15647}}^1$

素因数の和:15736

約数の個数: 16

約数和(自身を含む): 94639104

約数和(自身を除く): 22428199

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 15647, 78235, 203411, 1017055, 1110937, 5554685, 14442181, 72210905]

約数ペア:

[(1, 72210905), (5, 14442181), (13, 5554685), (65, 1110937), (71, 1017055), (355, 203411), (923, 78235), (4615, 15647)]