639459226

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{443453}}^1$

素因数の和:443565

約数の個数: 16

約数和(自身を含む): 1106861184

約数和(自身を除く): 467401958

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 443453, 886906, 3104171, 6208342, 45675659, 91351318, 319729613, 639459226]

約数ペア:

[(1, 639459226), (2, 319729613), (7, 91351318), (14, 45675659), (103, 6208342), (206, 3104171), (721, 886906), (1442, 443453)]