28667808

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 216

約数和(自身を含む): 95921280

約数和(自身を除く): 67253472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 31, 32, 36, 38, 39, 48, 52, 57, 62, 72, 76, 78, 93, 96, 104, 114, 117, 124, 144, 152, 156, 169, 171, 186, 208, 228, 234, 247, 248, 279, 288, 304, 312, 338, 342, 372, 403, 416, 456, 468, 494, 496, 507, 558, 589, 608, 624, 676, 684, 741, 744, 806, 912, 936, 988, 992, 1014, 1116, 1178, 1209, 1248, 1352, 1368, 1482, 1488, 1521, 1612, 1767, 1824, 1872, 1976, 2028, 2223, 2232, 2356, 2418, 2704, 2736, 2964, 2976, 3042, 3211, 3224, 3534, 3627, 3744, 3952, 4056, 4446, 4464, 4712, 4836, 5239, 5301, 5408, 5472, 5928, 6084, 6422, 6448, 7068, 7254, 7657, 7904, 8112, 8892, 8928, 9424, 9633, 9672, 10478, 10602, 11856, 12168, 12844, 12896, 14136, 14508, 15314, 15717, 16224, 17784, 18848, 19266, 19344, 20956, 21204, 22971, 23712, 24336, 25688, 28272, 28899, 29016, 30628, 31434, 35568, 38532, 38688, 41912, 42408, 45942, 47151, 48672, 51376, 56544, 57798, 58032, 61256, 62868, 68913, 71136, 77064, 83824, 84816, 91884, 94302, 99541, 102752, 115596, 116064, 122512, 125736, 137826, 154128, 167648, 169632, 183768, 188604, 199082, 231192, 245024, 251472, 275652, 298623, 308256, 367536, 377208, 398164, 462384, 502944, 551304, 597246, 735072, 754416, 796328, 895869, 924768, 1102608, 1194492, 1508832, 1592656, 1791738, 2205216, 2388984, 3185312, 3583476, 4777968, 7166952, 9555936, 14333904, 28667808]

約数ペア:

[(1, 28667808), (2, 14333904), (3, 9555936), (4, 7166952), (6, 4777968), (8, 3583476), (9, 3185312), (12, 2388984), (13, 2205216), (16, 1791738), (18, 1592656), (19, 1508832), (24, 1194492), (26, 1102608), (31, 924768), (32, 895869), (36, 796328), (38, 754416), (39, 735072), (48, 597246), (52, 551304), (57, 502944), (62, 462384), (72, 398164), (76, 377208), (78, 367536), (93, 308256), (96, 298623), (104, 275652), (114, 251472), (117, 245024), (124, 231192), (144, 199082), (152, 188604), (156, 183768), (169, 169632), (171, 167648), (186, 154128), (208, 137826), (228, 125736), (234, 122512), (247, 116064), (248, 115596), (279, 102752), (288, 99541), (304, 94302), (312, 91884), (338, 84816), (342, 83824), (372, 77064), (403, 71136), (416, 68913), (456, 62868), (468, 61256), (494, 58032), (496, 57798), (507, 56544), (558, 51376), (589, 48672), (608, 47151), (624, 45942), (676, 42408), (684, 41912), (741, 38688), (744, 38532), (806, 35568), (912, 31434), (936, 30628), (988, 29016), (992, 28899), (1014, 28272), (1116, 25688), (1178, 24336), (1209, 23712), (1248, 22971), (1352, 21204), (1368, 20956), (1482, 19344), (1488, 19266), (1521, 18848), (1612, 17784), (1767, 16224), (1824, 15717), (1872, 15314), (1976, 14508), (2028, 14136), (2223, 12896), (2232, 12844), (2356, 12168), (2418, 11856), (2704, 10602), (2736, 10478), (2964, 9672), (2976, 9633), (3042, 9424), (3211, 8928), (3224, 8892), (3534, 8112), (3627, 7904), (3744, 7657), (3952, 7254), (4056, 7068), (4446, 6448), (4464, 6422), (4712, 6084), (4836, 5928), (5239, 5472), (5301, 5408)]