28752605

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43237}}^1$

素因数の和:43268

約数の個数: 16

約数和(自身を含む): 41508480

約数和(自身を除く): 12755875

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 43237, 216185, 302659, 821503, 1513295, 4107515, 5750521, 28752605]

約数ペア:

[(1, 28752605), (5, 5750521), (7, 4107515), (19, 1513295), (35, 821503), (95, 302659), (133, 216185), (665, 43237)]