28278236

素因数分解:

$2^2\times 7^1\times {\mathrm{1009937}}^1$

素因数の和:1009948

約数の個数: 12

約数和(自身を含む): 56556528

約数和(自身を除く): 28278292

約数列:

[1, 2, 4, 7, 14, 28, 1009937, 2019874, 4039748, 7069559, 14139118, 28278236]

約数ペア:

[(1, 28278236), (2, 14139118), (4, 7069559), (7, 4039748), (14, 2019874), (28, 1009937)]