51991429

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9091}}^1$

素因数の和:9160

約数の個数: 16

約数和(自身を含む): 64007680

約数和(自身を除く): 12016251

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 9091, 63637, 172729, 390913, 1209103, 2736391, 7427347, 51991429]

約数ペア:

[(1, 51991429), (7, 7427347), (19, 2736391), (43, 1209103), (133, 390913), (301, 172729), (817, 63637), (5719, 9091)]