208520282873

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{69762557}}^1$

素因数の和:69762632

約数の個数: 12

約数和(自身を含む): 246540879972

約数和(自身を除く): 38020597099

約数列:

[1, 7, 49, 61, 427, 2989, 69762557, 488337899, 3418365293, 4255515977, 29788611839, 208520282873]

約数ペア:

[(1, 208520282873), (7, 29788611839), (49, 4255515977), (61, 3418365293), (427, 488337899), (2989, 69762557)]