13489868

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20947}}^1$

素因数の和:20981

約数の個数: 24

約数和(自身を含む): 28154112

約数和(自身を除く): 14664244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 20947, 41894, 83788, 146629, 293258, 481781, 586516, 963562, 1927124, 3372467, 6744934, 13489868]

約数ペア:

[(1, 13489868), (2, 6744934), (4, 3372467), (7, 1927124), (14, 963562), (23, 586516), (28, 481781), (46, 293258), (92, 146629), (161, 83788), (322, 41894), (644, 20947)]