129408265

素因数分解:

$5^1\times 7^2\times {\mathrm{528197}}^1$

素因数の和:528216

約数の個数: 12

約数和(自身を含む): 180643716

約数和(自身を除く): 51235451

約数列:

[1, 5, 7, 35, 49, 245, 528197, 2640985, 3697379, 18486895, 25881653, 129408265]

約数ペア:

[(1, 129408265), (5, 25881653), (7, 18486895), (35, 3697379), (49, 2640985), (245, 528197)]