747985

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 1083456

約数和(自身を除く): 335471

約数列:

[1, 5, 7, 35, 43, 49, 71, 215, 245, 301, 355, 497, 1505, 2107, 2485, 3053, 3479, 10535, 15265, 17395, 21371, 106855, 149597, 747985]

約数ペア:

[(1, 747985), (5, 149597), (7, 106855), (35, 21371), (43, 17395), (49, 15265), (71, 10535), (215, 3479), (245, 3053), (301, 2485), (355, 2107), (497, 1505)]