2561049.00000000

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1174463}}^1$

素因数の和:1174475

約数の個数: 16

約数和(自身を含む): 112748544

約数和(自身を除く): 63421098

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1174463, 2348926, 3523389, 7046778, 8221241, 16442482, 24663723, 49327446]

約数ペア:

[(1, 49327446), (2, 24663723), (3, 16442482), (6, 8221241), (7, 7046778), (14, 3523389), (21, 2348926), (42, 1174463)]