139231994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89137}}^1$

素因数の和:89221

約数の個数: 16

約数和(自身を含む): 231045696

約数和(自身を除く): 91813702

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 89137, 178274, 980507, 1961014, 6328727, 12657454, 69615997, 139231994]

約数ペア:

[(1, 139231994), (2, 69615997), (11, 12657454), (22, 6328727), (71, 1961014), (142, 980507), (781, 178274), (1562, 89137)]