668996858873

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{816839}}^1\times {\mathrm{5087}}^1$

素因数の和:821956

約数の個数: 16

約数和(自身を含む): 797967728640

約数和(自身を除く): 128970869767

約数列:

[1, 7, 23, 161, 5087, 35609, 117001, 816839, 819007, 5717873, 18787297, 131511079, 4155259993, 29086819951, 95570979839, 668996858873]

約数ペア:

[(1, 668996858873), (7, 95570979839), (23, 29086819951), (161, 4155259993), (5087, 131511079), (35609, 18787297), (117001, 5717873), (816839, 819007)]