51378019

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:703

約数の個数: 24

約数和(自身を含む): 65664000

約数和(自身を除く): 14285981

約数列:

[1, 7, 11, 49, 77, 199, 479, 539, 1393, 2189, 3353, 5269, 9751, 15323, 23471, 36883, 95321, 107261, 258181, 667247, 1048531, 4670729, 7339717, 51378019]

約数ペア:

[(1, 51378019), (7, 7339717), (11, 4670729), (49, 1048531), (77, 667247), (199, 258181), (479, 107261), (539, 95321), (1393, 36883), (2189, 23471), (3353, 15323), (5269, 9751)]