668889347

素因数分解:

$7^2\times {\mathrm{199}}^1\times {\mathrm{68597}}^1$

素因数の和:68810

約数の個数: 12

約数和(自身を含む): 782017200

約数和(自身を除く): 113127853

約数列:

[1, 7, 49, 199, 1393, 9751, 68597, 480179, 3361253, 13650803, 95555621, 668889347]

約数ペア:

[(1, 668889347), (7, 95555621), (49, 13650803), (199, 3361253), (1393, 480179), (9751, 68597)]