28207881412

素因数分解:

$2^2\times {\mathrm{557}}^1\times {\mathrm{12660629}}^1$

素因数の和:12661190

約数の個数: 12

約数和(自身を含む): 49452420780

約数和(自身を除く): 21244539368

約数列:

[1, 2, 4, 557, 1114, 2228, 12660629, 25321258, 50642516, 7051970353, 14103940706, 28207881412]

約数ペア:

[(1, 28207881412), (2, 14103940706), (4, 7051970353), (557, 50642516), (1114, 25321258), (2228, 12660629)]