68037137

素因数分解:

$7^4\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:730

約数の個数: 20

約数和(自身を含む): 81341040

約数和(自身を除く): 13303903

約数列:

[1, 7, 43, 49, 301, 343, 659, 2107, 2401, 4613, 14749, 28337, 32291, 103243, 198359, 226037, 1388513, 1582259, 9719591, 68037137]

約数ペア:

[(1, 68037137), (7, 9719591), (43, 1582259), (49, 1388513), (301, 226037), (343, 198359), (659, 103243), (2107, 32291), (2401, 28337), (4613, 14749)]