6250025

素因数分解:

$5^2\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 18

約数和(自身を含む): 7987770

約数和(自身を除く): 1737745

約数列:

[1, 5, 25, 53, 89, 265, 445, 1325, 2225, 2809, 4717, 14045, 23585, 70225, 117925, 250001, 1250005, 6250025]

約数ペア:

[(1, 6250025), (5, 1250005), (25, 250001), (53, 117925), (89, 70225), (265, 23585), (445, 14045), (1325, 4717), (2225, 2809)]