12854905

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 18221760

約数和(自身を除く): 5366855

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 497, 739, 2485, 3479, 3695, 5173, 17395, 25865, 36211, 52469, 181055, 262345, 367283, 1836415, 2570981, 12854905]

約数ペア:

[(1, 12854905), (5, 2570981), (7, 1836415), (35, 367283), (49, 262345), (71, 181055), (245, 52469), (355, 36211), (497, 25865), (739, 17395), (2485, 5173), (3479, 3695)]