489307

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:322

約数の個数: 16

約数和(自身を含む): 636160

約数和(自身を除く): 146853

約数列:

[1, 7, 13, 19, 91, 133, 247, 283, 1729, 1981, 3679, 5377, 25753, 37639, 69901, 489307]

約数ペア:

[(1, 489307), (7, 69901), (13, 37639), (19, 25753), (91, 5377), (133, 3679), (247, 1981), (283, 1729)]