209112484

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{240913}}^1$

素因数の和:240955

約数の個数: 24

約数和(自身を含む): 431717888

約数和(自身を除く): 222605404

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 240913, 481826, 963652, 1686391, 3372782, 6745564, 7468303, 14936606, 29873212, 52278121, 104556242, 209112484]

約数ペア:

[(1, 209112484), (2, 104556242), (4, 52278121), (7, 29873212), (14, 14936606), (28, 7468303), (31, 6745564), (62, 3372782), (124, 1686391), (217, 963652), (434, 481826), (868, 240913)]