80829868

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{28027}}^1$

素因数の和:28141

約数の個数: 24

約数和(自身を含む): 163235072

約数和(自身を除く): 82405204

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 28027, 56054, 112108, 196189, 392378, 784756, 2886781, 5773562, 11547124, 20207467, 40414934, 80829868]

約数ペア:

[(1, 80829868), (2, 40414934), (4, 20207467), (7, 11547124), (14, 5773562), (28, 2886781), (103, 784756), (206, 392378), (412, 196189), (721, 112108), (1442, 56054), (2884, 28027)]