81253284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6959}}^1$

素因数の和:7112

約数の個数: 48

約数和(自身を含む): 218265600

約数和(自身を除く): 137012316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1668, 1946, 2919, 3892, 5838, 6959, 11676, 13918, 20877, 27836, 41754, 48713, 83508, 97426, 146139, 194852, 292278, 584556, 967301, 1934602, 2901903, 3869204, 5803806, 6771107, 11607612, 13542214, 20313321, 27084428, 40626642, 81253284]

約数ペア:

[(1, 81253284), (2, 40626642), (3, 27084428), (4, 20313321), (6, 13542214), (7, 11607612), (12, 6771107), (14, 5803806), (21, 3869204), (28, 2901903), (42, 1934602), (84, 967301), (139, 584556), (278, 292278), (417, 194852), (556, 146139), (834, 97426), (973, 83508), (1668, 48713), (1946, 41754), (2919, 27836), (3892, 20877), (5838, 13918), (6959, 11676)]