81855864

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:437

約数の個数: 96

約数和(自身を含む): 231660000

約数和(自身を除く): 149804136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 197, 199, 232, 261, 348, 394, 398, 522, 591, 597, 696, 788, 796, 1044, 1182, 1194, 1576, 1592, 1773, 1791, 2088, 2364, 2388, 3546, 3582, 4728, 4776, 5713, 5771, 7092, 7164, 11426, 11542, 14184, 14328, 17139, 17313, 22852, 23084, 34278, 34626, 39203, 45704, 46168, 51417, 51939, 68556, 69252, 78406, 102834, 103878, 117609, 137112, 138504, 156812, 205668, 207756, 235218, 313624, 352827, 411336, 415512, 470436, 705654, 940872, 1136887, 1411308, 2273774, 2822616, 3410661, 4547548, 6821322, 9095096, 10231983, 13642644, 20463966, 27285288, 40927932, 81855864]

約数ペア:

[(1, 81855864), (2, 40927932), (3, 27285288), (4, 20463966), (6, 13642644), (8, 10231983), (9, 9095096), (12, 6821322), (18, 4547548), (24, 3410661), (29, 2822616), (36, 2273774), (58, 1411308), (72, 1136887), (87, 940872), (116, 705654), (174, 470436), (197, 415512), (199, 411336), (232, 352827), (261, 313624), (348, 235218), (394, 207756), (398, 205668), (522, 156812), (591, 138504), (597, 137112), (696, 117609), (788, 103878), (796, 102834), (1044, 78406), (1182, 69252), (1194, 68556), (1576, 51939), (1592, 51417), (1773, 46168), (1791, 45704), (2088, 39203), (2364, 34626), (2388, 34278), (3546, 23084), (3582, 22852), (4728, 17313), (4776, 17139), (5713, 14328), (5771, 14184), (7092, 11542), (7164, 11426)]