81642888

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:743

約数の個数: 96

約数和(自身を含む): 232853400

約数和(自身を除く): 151210512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 61, 72, 87, 116, 122, 174, 183, 232, 244, 261, 348, 366, 488, 522, 549, 641, 696, 732, 1044, 1098, 1282, 1464, 1769, 1923, 2088, 2196, 2564, 3538, 3846, 4392, 5128, 5307, 5769, 7076, 7692, 10614, 11538, 14152, 15384, 15921, 18589, 21228, 23076, 31842, 37178, 39101, 42456, 46152, 55767, 63684, 74356, 78202, 111534, 117303, 127368, 148712, 156404, 167301, 223068, 234606, 312808, 334602, 351909, 446136, 469212, 669204, 703818, 938424, 1133929, 1338408, 1407636, 2267858, 2815272, 3401787, 4535716, 6803574, 9071432, 10205361, 13607148, 20410722, 27214296, 40821444, 81642888]

約数ペア:

[(1, 81642888), (2, 40821444), (3, 27214296), (4, 20410722), (6, 13607148), (8, 10205361), (9, 9071432), (12, 6803574), (18, 4535716), (24, 3401787), (29, 2815272), (36, 2267858), (58, 1407636), (61, 1338408), (72, 1133929), (87, 938424), (116, 703818), (122, 669204), (174, 469212), (183, 446136), (232, 351909), (244, 334602), (261, 312808), (348, 234606), (366, 223068), (488, 167301), (522, 156404), (549, 148712), (641, 127368), (696, 117303), (732, 111534), (1044, 78202), (1098, 74356), (1282, 63684), (1464, 55767), (1769, 46152), (1923, 42456), (2088, 39101), (2196, 37178), (2564, 31842), (3538, 23076), (3846, 21228), (4392, 18589), (5128, 15921), (5307, 15384), (5769, 14152), (7076, 11538), (7692, 10614)]