1261844225

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{567121}}^1$

素因数の和:567220

約数の個数: 12

約数和(自身を含む): 1582270380

約数和(自身を除く): 320426155

約数列:

[1, 5, 25, 89, 445, 2225, 567121, 2835605, 14178025, 50473769, 252368845, 1261844225]

約数ペア:

[(1, 1261844225), (5, 252368845), (25, 50473769), (89, 14178025), (445, 2835605), (2225, 567121)]