25490787

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{28229}}^1$

素因数の和:28282

約数の個数: 16

約数和(自身を含む): 39747840

約数和(自身を除く): 14257053

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 28229, 84687, 197603, 592809, 1213847, 3641541, 8496929, 25490787]

約数ペア:

[(1, 25490787), (3, 8496929), (7, 3641541), (21, 1213847), (43, 592809), (129, 197603), (301, 84687), (903, 28229)]