131181491

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{31817}}^1$

素因数の和:31874

約数の個数: 16

約数和(自身を含む): 162908160

約数和(自身を除く): 31726669

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 31817, 222719, 604523, 986327, 4231661, 6904289, 18740213, 131181491]

約数ペア:

[(1, 131181491), (7, 18740213), (19, 6904289), (31, 4231661), (133, 986327), (217, 604523), (589, 222719), (4123, 31817)]