999985225

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{305339}}^1$

素因数の和:305480

約数の個数: 12

約数和(自身を含む): 1249451280

約数和(自身を除く): 249466055

約数列:

[1, 5, 25, 131, 655, 3275, 305339, 1526695, 7633475, 39999409, 199997045, 999985225]

約数ペア:

[(1, 999985225), (5, 199997045), (25, 39999409), (131, 7633475), (655, 1526695), (3275, 305339)]