890243756

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{1031}}^1\times {\mathrm{4073}}^1$

素因数の和:5161

約数の個数: 24

約数和(自身を含む): 1589251104

約数和(自身を除く): 699007348

約数列:

[1, 2, 4, 53, 106, 212, 1031, 2062, 4073, 4124, 8146, 16292, 54643, 109286, 215869, 218572, 431738, 863476, 4199263, 8398526, 16797052, 222560939, 445121878, 890243756]

約数ペア:

[(1, 890243756), (2, 445121878), (4, 222560939), (53, 16797052), (106, 8398526), (212, 4199263), (1031, 863476), (2062, 431738), (4073, 218572), (4124, 215869), (8146, 109286), (16292, 54643)]