51749159

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 65729664

約数和(自身を除く): 13980505

約数列:

[1, 7, 11, 77, 107, 121, 571, 749, 847, 1177, 3997, 6281, 8239, 12947, 43967, 61097, 69091, 90629, 427679, 483637, 672067, 4704469, 7392737, 51749159]

約数ペア:

[(1, 51749159), (7, 7392737), (11, 4704469), (77, 672067), (107, 483637), (121, 427679), (571, 90629), (749, 69091), (847, 61097), (1177, 43967), (3997, 12947), (6281, 8239)]