81486706

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 151437600

約数和(自身を除く): 69950894

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 107, 133, 214, 266, 409, 749, 818, 931, 1498, 1862, 2033, 2863, 4066, 5243, 5726, 7771, 10486, 14231, 15542, 20041, 28462, 40082, 43763, 54397, 87526, 99617, 108794, 199234, 306341, 380779, 612682, 761558, 831497, 1662994, 2144387, 4288774, 5820479, 11640958, 40743353, 81486706]

約数ペア:

[(1, 81486706), (2, 40743353), (7, 11640958), (14, 5820479), (19, 4288774), (38, 2144387), (49, 1662994), (98, 831497), (107, 761558), (133, 612682), (214, 380779), (266, 306341), (409, 199234), (749, 108794), (818, 99617), (931, 87526), (1498, 54397), (1862, 43763), (2033, 40082), (2863, 28462), (4066, 20041), (5243, 15542), (5726, 14231), (7771, 10486)]