78890378

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{54709}}^1$

素因数の和:54821

約数の個数: 16

約数和(自身を含む): 136556160

約数和(自身を除く): 57665782

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 54709, 109418, 382963, 765926, 5635027, 11270054, 39445189, 78890378]

約数ペア:

[(1, 78890378), (2, 39445189), (7, 11270054), (14, 5635027), (103, 765926), (206, 382963), (721, 109418), (1442, 54709)]