81042544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1327}}^1$

素因数の和:1693

約数の個数: 40

約数和(自身を含む): 171917568

約数和(自身を除く): 90875024

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 347, 694, 1327, 1388, 2654, 2776, 3817, 5308, 5552, 7634, 10616, 14597, 15268, 21232, 29194, 30536, 58388, 61072, 116776, 233552, 460469, 920938, 1841876, 3683752, 5065159, 7367504, 10130318, 20260636, 40521272, 81042544]

約数ペア:

[(1, 81042544), (2, 40521272), (4, 20260636), (8, 10130318), (11, 7367504), (16, 5065159), (22, 3683752), (44, 1841876), (88, 920938), (176, 460469), (347, 233552), (694, 116776), (1327, 61072), (1388, 58388), (2654, 30536), (2776, 29194), (3817, 21232), (5308, 15268), (5552, 14597), (7634, 10616)]