9989345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1576

約数の個数: 16

約数和(自身を含む): 12804480

約数和(自身を除く): 2815135

約数列:

[1, 5, 19, 71, 95, 355, 1349, 1481, 6745, 7405, 28139, 105151, 140695, 525755, 1997869, 9989345]

約数ペア:

[(1, 9989345), (5, 1997869), (19, 525755), (71, 140695), (95, 105151), (355, 28139), (1349, 7405), (1481, 6745)]