1965722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:661

約数の個数: 16

約数和(自身を含む): 3240000

約数和(自身を除く): 1274278

約数列:

[1, 2, 11, 22, 199, 398, 449, 898, 2189, 4378, 4939, 9878, 89351, 178702, 982861, 1965722]

約数ペア:

[(1, 1965722), (2, 982861), (11, 178702), (22, 89351), (199, 9878), (398, 4939), (449, 4378), (898, 2189)]