12142781

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 14592000

約数和(自身を除く): 2449219

約数列:

[1, 7, 23, 161, 199, 379, 1393, 2653, 4577, 8717, 32039, 61019, 75421, 527947, 1734683, 12142781]

約数ペア:

[(1, 12142781), (7, 1734683), (23, 527947), (161, 75421), (199, 61019), (379, 32039), (1393, 8717), (2653, 4577)]