28212305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{12511}}^1$

素因数の和:12568

約数の個数: 16

約数和(自身を含む): 37836288

約数和(自身を除く): 9623983

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 12511, 62555, 137621, 512951, 688105, 2564755, 5642461, 28212305]

約数ペア:

[(1, 28212305), (5, 5642461), (11, 2564755), (41, 688105), (55, 512951), (205, 137621), (451, 62555), (2255, 12511)]