123398192

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{188107}}^1$

素因数の和:188156

約数の個数: 20

約数和(自身を含む): 244916616

約数和(自身を除く): 121518424

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 188107, 376214, 752428, 1504856, 3009712, 7712387, 15424774, 30849548, 61699096, 123398192]

約数ペア:

[(1, 123398192), (2, 61699096), (4, 30849548), (8, 15424774), (16, 7712387), (41, 3009712), (82, 1504856), (164, 752428), (328, 376214), (656, 188107)]