28267526

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{19603}}^1$

素因数の和:19715

約数の個数: 16

約数和(自身を含む): 48931584

約数和(自身を除く): 20664058

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 19603, 39206, 137221, 274442, 2019109, 4038218, 14133763, 28267526]

約数ペア:

[(1, 28267526), (2, 14133763), (7, 4038218), (14, 2019109), (103, 274442), (206, 137221), (721, 39206), (1442, 19603)]