2189018425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{7960067}}^1$

素因数の和:7960088

約数の個数: 12

約数和(自身を含む): 2961145296

約数和(自身を除く): 772126871

約数列:

[1, 5, 11, 25, 55, 275, 7960067, 39800335, 87560737, 199001675, 437803685, 2189018425]

約数ペア:

[(1, 2189018425), (5, 437803685), (11, 199001675), (25, 87560737), (55, 39800335), (275, 7960067)]