7951025

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{881}}^1$

素因数の和:929

約数の個数: 18

約数和(自身を含む): 10417302

約数和(自身を除く): 2466277

約数列:

[1, 5, 19, 25, 95, 361, 475, 881, 1805, 4405, 9025, 16739, 22025, 83695, 318041, 418475, 1590205, 7951025]

約数ペア:

[(1, 7951025), (5, 1590205), (19, 418475), (25, 318041), (95, 83695), (361, 22025), (475, 16739), (881, 9025), (1805, 4405)]