2285725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{541}}^1$

素因数の和:577

約数の個数: 18

約数和(自身を含む): 3074766

約数和(自身を除く): 789041

約数列:

[1, 5, 13, 25, 65, 169, 325, 541, 845, 2705, 4225, 7033, 13525, 35165, 91429, 175825, 457145, 2285725]

約数ペア:

[(1, 2285725), (5, 457145), (13, 175825), (25, 91429), (65, 35165), (169, 13525), (325, 7033), (541, 4225), (845, 2705)]