139520752

素因数分解:

$2^4\times 7^1\times {\mathrm{1245721}}^1$

素因数の和:1245736

約数の個数: 20

約数和(自身を含む): 308939056

約数和(自身を除く): 169418304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1245721, 2491442, 4982884, 8720047, 9965768, 17440094, 19931536, 34880188, 69760376, 139520752]

約数ペア:

[(1, 139520752), (2, 69760376), (4, 34880188), (7, 19931536), (8, 17440094), (14, 9965768), (16, 8720047), (28, 4982884), (56, 2491442), (112, 1245721)]