139157870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{195997}}^1$

素因数の和:196075

約数の個数: 16

約数和(自身を含む): 254013408

約数和(自身を除く): 114855538

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 195997, 391994, 979985, 1959970, 13915787, 27831574, 69578935, 139157870]

約数ペア:

[(1, 139157870), (2, 69578935), (5, 27831574), (10, 13915787), (71, 1959970), (142, 979985), (355, 391994), (710, 195997)]