57865025

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{8009}}^1$

素因数の和:8053

約数の個数: 18

約数和(自身を含む): 76231170

約数和(自身を除く): 18366145

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 8009, 40045, 136153, 200225, 680765, 2314601, 3403825, 11573005, 57865025]

約数ペア:

[(1, 57865025), (5, 11573005), (17, 3403825), (25, 2314601), (85, 680765), (289, 200225), (425, 136153), (1445, 40045), (7225, 8009)]