263889108

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 180

約数和(自身を含む): 807494688

約数和(自身を除く): 543605580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 49, 63, 71, 84, 86, 98, 126, 129, 142, 147, 172, 196, 213, 252, 258, 284, 294, 301, 343, 387, 426, 441, 497, 516, 588, 602, 639, 686, 774, 852, 882, 903, 994, 1029, 1204, 1278, 1372, 1491, 1548, 1764, 1806, 1988, 2058, 2107, 2401, 2556, 2709, 2982, 3053, 3087, 3479, 3612, 4116, 4214, 4473, 4802, 5418, 5964, 6106, 6174, 6321, 6958, 7203, 8428, 8946, 9159, 9604, 10437, 10836, 12212, 12348, 12642, 13916, 14406, 14749, 17892, 18318, 18963, 20874, 21371, 21609, 24353, 25284, 27477, 28812, 29498, 31311, 36636, 37926, 41748, 42742, 43218, 44247, 48706, 54954, 58996, 62622, 64113, 73059, 75852, 85484, 86436, 88494, 97412, 103243, 109908, 125244, 128226, 132741, 146118, 149597, 170471, 176988, 192339, 206486, 219177, 256452, 265482, 292236, 299194, 309729, 340942, 384678, 412972, 438354, 448791, 511413, 530964, 598388, 619458, 681884, 769356, 876708, 897582, 929187, 1022826, 1047179, 1238916, 1346373, 1534239, 1795164, 1858374, 2045652, 2094358, 2692746, 3068478, 3141537, 3716748, 4188716, 5385492, 6136956, 6283074, 7330253, 9424611, 12566148, 14660506, 18849222, 21990759, 29321012, 37698444, 43981518, 65972277, 87963036, 131944554, 263889108]

約数ペア:

[(1, 263889108), (2, 131944554), (3, 87963036), (4, 65972277), (6, 43981518), (7, 37698444), (9, 29321012), (12, 21990759), (14, 18849222), (18, 14660506), (21, 12566148), (28, 9424611), (36, 7330253), (42, 6283074), (43, 6136956), (49, 5385492), (63, 4188716), (71, 3716748), (84, 3141537), (86, 3068478), (98, 2692746), (126, 2094358), (129, 2045652), (142, 1858374), (147, 1795164), (172, 1534239), (196, 1346373), (213, 1238916), (252, 1047179), (258, 1022826), (284, 929187), (294, 897582), (301, 876708), (343, 769356), (387, 681884), (426, 619458), (441, 598388), (497, 530964), (516, 511413), (588, 448791), (602, 438354), (639, 412972), (686, 384678), (774, 340942), (852, 309729), (882, 299194), (903, 292236), (994, 265482), (1029, 256452), (1204, 219177), (1278, 206486), (1372, 192339), (1491, 176988), (1548, 170471), (1764, 149597), (1806, 146118), (1988, 132741), (2058, 128226), (2107, 125244), (2401, 109908), (2556, 103243), (2709, 97412), (2982, 88494), (3053, 86436), (3087, 85484), (3479, 75852), (3612, 73059), (4116, 64113), (4214, 62622), (4473, 58996), (4802, 54954), (5418, 48706), (5964, 44247), (6106, 43218), (6174, 42742), (6321, 41748), (6958, 37926), (7203, 36636), (8428, 31311), (8946, 29498), (9159, 28812), (9604, 27477), (10437, 25284), (10836, 24353), (12212, 21609), (12348, 21371), (12642, 20874), (13916, 18963), (14406, 18318), (14749, 17892)]