2551645278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1621}}^1$

素因数の和:1711

約数の個数: 144

約数和(自身を含む): 7035301728

約数和(自身を除く): 4483656450

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 62, 63, 78, 91, 93, 117, 126, 182, 186, 217, 234, 273, 279, 403, 434, 546, 558, 651, 806, 819, 961, 1209, 1302, 1621, 1638, 1922, 1953, 2418, 2821, 2883, 3242, 3627, 3906, 4863, 5642, 5766, 6727, 7254, 8463, 8649, 9726, 11347, 12493, 13454, 14589, 16926, 17298, 20181, 21073, 22694, 24986, 25389, 29178, 34041, 37479, 40362, 42146, 50251, 50778, 60543, 63219, 68082, 74958, 87451, 100502, 102123, 112437, 121086, 126438, 147511, 150753, 174902, 189657, 204246, 224874, 262353, 295022, 301506, 351757, 379314, 442533, 452259, 524706, 653263, 703514, 787059, 885066, 904518, 1055271, 1306526, 1327599, 1557781, 1574118, 1959789, 2110542, 2655198, 3115562, 3165813, 3919578, 4572841, 4673343, 5879367, 6331626, 9145682, 9346686, 10904467, 11758734, 13718523, 14020029, 20251153, 21808934, 27437046, 28040058, 32713401, 40502306, 41155569, 60753459, 65426802, 82311138, 98140203, 121506918, 141758071, 182260377, 196280406, 283516142, 364520754, 425274213, 850548426, 1275822639, 2551645278]

約数ペア:

[(1, 2551645278), (2, 1275822639), (3, 850548426), (6, 425274213), (7, 364520754), (9, 283516142), (13, 196280406), (14, 182260377), (18, 141758071), (21, 121506918), (26, 98140203), (31, 82311138), (39, 65426802), (42, 60753459), (62, 41155569), (63, 40502306), (78, 32713401), (91, 28040058), (93, 27437046), (117, 21808934), (126, 20251153), (182, 14020029), (186, 13718523), (217, 11758734), (234, 10904467), (273, 9346686), (279, 9145682), (403, 6331626), (434, 5879367), (546, 4673343), (558, 4572841), (651, 3919578), (806, 3165813), (819, 3115562), (961, 2655198), (1209, 2110542), (1302, 1959789), (1621, 1574118), (1638, 1557781), (1922, 1327599), (1953, 1306526), (2418, 1055271), (2821, 904518), (2883, 885066), (3242, 787059), (3627, 703514), (3906, 653263), (4863, 524706), (5642, 452259), (5766, 442533), (6727, 379314), (7254, 351757), (8463, 301506), (8649, 295022), (9726, 262353), (11347, 224874), (12493, 204246), (13454, 189657), (14589, 174902), (16926, 150753), (17298, 147511), (20181, 126438), (21073, 121086), (22694, 112437), (24986, 102123), (25389, 100502), (29178, 87451), (34041, 74958), (37479, 68082), (40362, 63219), (42146, 60543), (50251, 50778)]