25217225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{857}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 34471008

約数和(自身を除く): 9253783

約数列:

[1, 5, 11, 25, 55, 107, 275, 535, 857, 1177, 2675, 4285, 5885, 9427, 21425, 29425, 47135, 91699, 235675, 458495, 1008689, 2292475, 5043445, 25217225]

約数ペア:

[(1, 25217225), (5, 5043445), (11, 2292475), (25, 1008689), (55, 458495), (107, 235675), (275, 91699), (535, 47135), (857, 29425), (1177, 21425), (2675, 9427), (4285, 5885)]