1000004

素因数分解:

$2^2\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 18

約数和(自身を含む): 1803690

約数和(自身を除く): 803686

約数列:

[1, 2, 4, 53, 89, 106, 178, 212, 356, 2809, 4717, 5618, 9434, 11236, 18868, 250001, 500002, 1000004]

約数ペア:

[(1, 1000004), (2, 500002), (4, 250001), (53, 18868), (89, 11236), (106, 9434), (178, 5618), (212, 4717), (356, 2809)]