81495708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{11689}}^1$

素因数の和:11786

約数の個数: 48

約数和(自身を含む): 219959040

約数和(自身を除く): 138463332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 996, 1162, 1743, 2324, 3486, 6972, 11689, 23378, 35067, 46756, 70134, 81823, 140268, 163646, 245469, 327292, 490938, 970187, 981876, 1940374, 2910561, 3880748, 5821122, 6791309, 11642244, 13582618, 20373927, 27165236, 40747854, 81495708]

約数ペア:

[(1, 81495708), (2, 40747854), (3, 27165236), (4, 20373927), (6, 13582618), (7, 11642244), (12, 6791309), (14, 5821122), (21, 3880748), (28, 2910561), (42, 1940374), (83, 981876), (84, 970187), (166, 490938), (249, 327292), (332, 245469), (498, 163646), (581, 140268), (996, 81823), (1162, 70134), (1743, 46756), (2324, 35067), (3486, 23378), (6972, 11689)]