812322005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{18911}}^1$

素因数の和:19009

約数の個数: 24

約数和(自身を含む): 1086607872

約数和(自身を除く): 274285867

約数列:

[1, 5, 11, 55, 71, 121, 355, 605, 781, 3905, 8591, 18911, 42955, 94555, 208021, 1040105, 1342681, 2288231, 6713405, 11441155, 14769491, 73847455, 162464401, 812322005]

約数ペア:

[(1, 812322005), (5, 162464401), (11, 73847455), (55, 14769491), (71, 11441155), (121, 6713405), (355, 2288231), (605, 1342681), (781, 1040105), (3905, 208021), (8591, 94555), (18911, 42955)]