129781654

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{3361}}^1$

素因数の和:3855

約数の個数: 16

約数和(自身を含む): 199702800

約数和(自身を除く): 69921146

約数列:

[1, 2, 43, 86, 449, 898, 3361, 6722, 19307, 38614, 144523, 289046, 1509089, 3018178, 64890827, 129781654]

約数ペア:

[(1, 129781654), (2, 64890827), (43, 3018178), (86, 1509089), (449, 289046), (898, 144523), (3361, 38614), (6722, 19307)]