81425905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{17837}}^1$

素因数の和:17936

約数の個数: 16

約数和(自身を含む): 107884224

約数和(自身を除く): 26458319

約数列:

[1, 5, 11, 55, 83, 415, 913, 4565, 17837, 89185, 196207, 981035, 1480471, 7402355, 16285181, 81425905]

約数ペア:

[(1, 81425905), (5, 16285181), (11, 7402355), (55, 1480471), (83, 981035), (415, 196207), (913, 89185), (4565, 17837)]