25809145

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 33620184

約数和(自身を除く): 7811039

約数列:

[1, 5, 17, 53, 85, 265, 289, 337, 901, 1445, 1685, 4505, 5729, 15317, 17861, 28645, 76585, 89305, 97393, 303637, 486965, 1518185, 5161829, 25809145]

約数ペア:

[(1, 25809145), (5, 5161829), (17, 1518185), (53, 486965), (85, 303637), (265, 97393), (289, 89305), (337, 76585), (901, 28645), (1445, 17861), (1685, 15317), (4505, 5729)]