68881918

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{213919}}^1$

素因数の和:213951

約数の個数: 16

約数和(自身を含む): 123217920

約数和(自身を除く): 54336002

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 213919, 427838, 1497433, 2994866, 4920137, 9840274, 34440959, 68881918]

約数ペア:

[(1, 68881918), (2, 34440959), (7, 9840274), (14, 4920137), (23, 2994866), (46, 1497433), (161, 427838), (322, 213919)]