13289885

素因数分解:

$5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{881}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 18289152

約数和(自身を除く): 4999267

約数列:

[1, 5, 7, 35, 431, 881, 2155, 3017, 4405, 6167, 15085, 30835, 379711, 1898555, 2657977, 13289885]

約数ペア:

[(1, 13289885), (5, 2657977), (7, 1898555), (35, 379711), (431, 30835), (881, 15085), (2155, 6167), (3017, 4405)]