28204078

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{19559}}^1$

素因数の和:19671

約数の個数: 16

約数和(自身を含む): 48821760

約数和(自身を除く): 20617682

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 19559, 39118, 136913, 273826, 2014577, 4029154, 14102039, 28204078]

約数ペア:

[(1, 28204078), (2, 14102039), (7, 4029154), (14, 2014577), (103, 273826), (206, 136913), (721, 39118), (1442, 19559)]