28188842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{9781}}^1$

素因数の和:9925

約数の個数: 16

約数和(自身を含む): 46484064

約数和(自身を除く): 18295222

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 9781, 19562, 107591, 215182, 1281311, 2562622, 14094421, 28188842]

約数ペア:

[(1, 28188842), (2, 14094421), (11, 2562622), (22, 1281311), (131, 215182), (262, 107591), (1441, 19562), (2882, 9781)]