81705778

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2749}}^1$

素因数の和:2962

約数の個数: 32

約数和(自身を含む): 153648000

約数和(自身を除く): 71942222

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 193, 386, 1351, 2123, 2702, 2749, 4246, 5498, 14861, 19243, 29722, 30239, 38486, 60478, 211673, 423346, 530557, 1061114, 3713899, 5836127, 7427798, 11672254, 40852889, 81705778]

約数ペア:

[(1, 81705778), (2, 40852889), (7, 11672254), (11, 7427798), (14, 5836127), (22, 3713899), (77, 1061114), (154, 530557), (193, 423346), (386, 211673), (1351, 60478), (2123, 38486), (2702, 30239), (2749, 29722), (4246, 19243), (5498, 14861)]