290430959

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{138763}}^1$

素因数の和:138806

約数の個数: 16

約数和(自身を含む): 372997632

約数和(自身を除く): 82566673

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 138763, 971341, 1803919, 3191549, 12627433, 22340843, 41490137, 290430959]

約数ペア:

[(1, 290430959), (7, 41490137), (13, 22340843), (23, 12627433), (91, 3191549), (161, 1803919), (299, 971341), (2093, 138763)]