28107590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401537}}^1$

素因数の和:401551

約数の個数: 16

約数和(自身を含む): 57821472

約数和(自身を除く): 29713882

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401537, 803074, 2007685, 2810759, 4015370, 5621518, 14053795, 28107590]

約数ペア:

[(1, 28107590), (2, 14053795), (5, 5621518), (7, 4015370), (10, 2810759), (14, 2007685), (35, 803074), (70, 401537)]