218856455

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1\times {\mathrm{1021}}^1$

素因数の和:2066

約数の個数: 16

約数和(自身を含む): 269268384

約数和(自身を除く): 50411929

約数列:

[1, 5, 43, 215, 997, 1021, 4985, 5105, 42871, 43903, 214355, 219515, 1017937, 5089685, 43771291, 218856455]

約数ペア:

[(1, 218856455), (5, 43771291), (43, 5089685), (215, 1017937), (997, 219515), (1021, 214355), (4985, 43903), (5105, 42871)]