81755212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6173}}^1$

素因数の和:6238

約数の個数: 48

約数和(自身を含む): 182552832

約数和(自身を除く): 100797620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 473, 602, 946, 1204, 1892, 3311, 6173, 6622, 12346, 13244, 24692, 43211, 67903, 86422, 135806, 172844, 265439, 271612, 475321, 530878, 950642, 1061756, 1858073, 1901284, 2919829, 3716146, 5839658, 7432292, 11679316, 20438803, 40877606, 81755212]

約数ペア:

[(1, 81755212), (2, 40877606), (4, 20438803), (7, 11679316), (11, 7432292), (14, 5839658), (22, 3716146), (28, 2919829), (43, 1901284), (44, 1858073), (77, 1061756), (86, 950642), (154, 530878), (172, 475321), (301, 271612), (308, 265439), (473, 172844), (602, 135806), (946, 86422), (1204, 67903), (1892, 43211), (3311, 24692), (6173, 13244), (6622, 12346)]