988792225

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{444401}}^1$

素因数の和:444500

約数の個数: 12

約数和(自身を含む): 1239881580

約数和(自身を除く): 251089355

約数列:

[1, 5, 25, 89, 445, 2225, 444401, 2222005, 11110025, 39551689, 197758445, 988792225]

約数ペア:

[(1, 988792225), (5, 197758445), (25, 39551689), (89, 11110025), (445, 2222005), (2225, 444401)]