25942805

素因数分解:

$5^1\times 7^4\times {\mathrm{2161}}^1$

素因数の和:2194

約数の個数: 20

約数和(自身を含む): 36334572

約数和(自身を除く): 10391767

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2161, 2401, 10805, 12005, 15127, 75635, 105889, 529445, 741223, 3706115, 5188561, 25942805]

約数ペア:

[(1, 25942805), (5, 5188561), (7, 3706115), (35, 741223), (49, 529445), (245, 105889), (343, 75635), (1715, 15127), (2161, 12005), (2401, 10805)]