280221484

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{787139}}^1$

素因数の和:787232

約数の個数: 12

約数和(自身を含む): 495898200

約数和(自身を除く): 215676716

約数列:

[1, 2, 4, 89, 178, 356, 787139, 1574278, 3148556, 70055371, 140110742, 280221484]

約数ペア:

[(1, 280221484), (2, 140110742), (4, 70055371), (89, 3148556), (178, 1574278), (356, 787139)]