64921241

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{17939}}^1$

素因数の和:18004

約数の個数: 16

約数和(自身を含む): 82667520

約数和(自身を除く): 17746279

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 17939, 125573, 197329, 843133, 1381303, 5901931, 9274463, 64921241]

約数ペア:

[(1, 64921241), (7, 9274463), (11, 5901931), (47, 1381303), (77, 843133), (329, 197329), (517, 125573), (3619, 17939)]