2557148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 4944240

約数和(自身を除く): 2387092

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 653, 979, 1306, 1958, 2612, 3916, 7183, 14366, 28732, 58117, 116234, 232468, 639287, 1278574, 2557148]

約数ペア:

[(1, 2557148), (2, 1278574), (4, 639287), (11, 232468), (22, 116234), (44, 58117), (89, 28732), (178, 14366), (356, 7183), (653, 3916), (979, 2612), (1306, 1958)]