247205812

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{124349}}^1$

素因数の和:124431

約数の個数: 24

約数和(自身を含む): 501379200

約数和(自身を除く): 254173388

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 124349, 248698, 497396, 870443, 1740886, 3481772, 8828779, 17657558, 35315116, 61801453, 123602906, 247205812]

約数ペア:

[(1, 247205812), (2, 123602906), (4, 61801453), (7, 35315116), (14, 17657558), (28, 8828779), (71, 3481772), (142, 1740886), (284, 870443), (497, 497396), (994, 248698), (1988, 124349)]