129403988

素因数分解:

$2^2\times 7^1\times {\mathrm{4621571}}^1$

素因数の和:4621582

約数の個数: 12

約数和(自身を含む): 258808032

約数和(自身を除く): 129404044

約数列:

[1, 2, 4, 7, 14, 28, 4621571, 9243142, 18486284, 32350997, 64701994, 129403988]

約数ペア:

[(1, 129403988), (2, 64701994), (4, 32350997), (7, 18486284), (14, 9243142), (28, 4621571)]