205122367121

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{2398559}}^1$

素因数の和:2399228

約数の個数: 16

約数和(自身を含む): 247147622400

約数和(自身を除く): 42025255279

約数列:

[1, 7, 19, 133, 643, 4501, 12217, 85519, 2398559, 16789913, 45572621, 319008347, 1542273437, 10795914059, 29303195303, 205122367121]

約数ペア:

[(1, 205122367121), (7, 29303195303), (19, 10795914059), (133, 1542273437), (643, 319008347), (4501, 45572621), (12217, 16789913), (85519, 2398559)]