201991320004

素因数分解:

$2^2\times {\mathrm{3001}}^1\times {\mathrm{16827001}}^1$

素因数の和:16830006

約数の個数: 12

約数和(自身を含む): 353602620028

約数和(自身を除く): 151611300024

約数列:

[1, 2, 4, 3001, 6002, 12004, 16827001, 33654002, 67308004, 50497830001, 100995660002, 201991320004]

約数ペア:

[(1, 201991320004), (2, 100995660002), (4, 50497830001), (3001, 67308004), (6002, 33654002), (12004, 16827001)]