128084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 24

約数和(自身を含む): 254016

約数和(自身を除く): 125932

約数列:

[1, 2, 4, 11, 22, 41, 44, 71, 82, 142, 164, 284, 451, 781, 902, 1562, 1804, 2911, 3124, 5822, 11644, 32021, 64042, 128084]

約数ペア:

[(1, 128084), (2, 64042), (4, 32021), (11, 11644), (22, 5822), (41, 3124), (44, 2911), (71, 1804), (82, 1562), (142, 902), (164, 781), (284, 451)]