81264238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{85903}}^1$

素因数の和:85959

約数の個数: 16

約数和(自身を含む): 136071936

約数和(自身を除く): 54807698

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 85903, 171806, 944933, 1889866, 3693829, 7387658, 40632119, 81264238]

約数ペア:

[(1, 81264238), (2, 40632119), (11, 7387658), (22, 3693829), (43, 1889866), (86, 944933), (473, 171806), (946, 85903)]