257080874

素因数分解:

$2^1\times {\mathrm{179}}^1\times {\mathrm{443}}^1\times {\mathrm{1621}}^1$

素因数の和:2245

約数の個数: 16

約数和(自身を含む): 388890720

約数和(自身を除く): 131809846

約数列:

[1, 2, 179, 358, 443, 886, 1621, 3242, 79297, 158594, 290159, 580318, 718103, 1436206, 128540437, 257080874]

約数ペア:

[(1, 257080874), (2, 128540437), (179, 1436206), (358, 718103), (443, 580318), (886, 290159), (1621, 158594), (3242, 79297)]