208955159

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{911}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 252850176

約数和(自身を除く): 43895017

約数列:

[1, 7, 31, 49, 151, 217, 911, 1057, 1519, 4681, 6377, 7399, 28241, 32767, 44639, 137561, 197687, 229369, 962927, 1383809, 4264391, 6740489, 29850737, 208955159]

約数ペア:

[(1, 208955159), (7, 29850737), (31, 6740489), (49, 4264391), (151, 1383809), (217, 962927), (911, 229369), (1057, 197687), (1519, 137561), (4681, 44639), (6377, 32767), (7399, 28241)]