208569431

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{69779}}^1$

素因数の和:69854

約数の個数: 12

約数和(自身を含む): 246602520

約数和(自身を除く): 38033089

約数列:

[1, 7, 49, 61, 427, 2989, 69779, 488453, 3419171, 4256519, 29795633, 208569431]

約数ペア:

[(1, 208569431), (7, 29795633), (49, 4256519), (61, 3419171), (427, 488453), (2989, 69779)]