81549076

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{911}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 171601920

約数和(自身を除く): 90052844

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 139, 161, 278, 322, 556, 644, 911, 973, 1822, 1946, 3197, 3644, 3892, 6377, 6394, 12754, 12788, 20953, 22379, 25508, 41906, 44758, 83812, 89516, 126629, 146671, 253258, 293342, 506516, 586684, 886403, 1772806, 2912467, 3545612, 5824934, 11649868, 20387269, 40774538, 81549076]

約数ペア:

[(1, 81549076), (2, 40774538), (4, 20387269), (7, 11649868), (14, 5824934), (23, 3545612), (28, 2912467), (46, 1772806), (92, 886403), (139, 586684), (161, 506516), (278, 293342), (322, 253258), (556, 146671), (644, 126629), (911, 89516), (973, 83812), (1822, 44758), (1946, 41906), (3197, 25508), (3644, 22379), (3892, 20953), (6377, 12788), (6394, 12754)]