71033225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 93719448

約数和(自身を除く): 22686223

約数列:

[1, 5, 17, 25, 85, 397, 421, 425, 1985, 2105, 6749, 7157, 9925, 10525, 33745, 35785, 167137, 168725, 178925, 835685, 2841329, 4178425, 14206645, 71033225]

約数ペア:

[(1, 71033225), (5, 14206645), (17, 4178425), (25, 2841329), (85, 835685), (397, 178925), (421, 168725), (425, 167137), (1985, 35785), (2105, 33745), (6749, 10525), (7157, 9925)]