257251176

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 288

約数和(自身を含む): 896313600

約数和(自身を除く): 639062424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 56, 63, 71, 72, 78, 79, 84, 91, 98, 104, 117, 126, 142, 147, 156, 158, 168, 182, 196, 213, 234, 237, 252, 273, 284, 294, 312, 316, 364, 392, 426, 441, 468, 474, 497, 504, 546, 553, 568, 588, 632, 637, 639, 711, 728, 819, 852, 882, 923, 936, 948, 994, 1027, 1092, 1106, 1176, 1274, 1278, 1422, 1491, 1638, 1659, 1704, 1764, 1846, 1896, 1911, 1988, 2054, 2184, 2212, 2548, 2556, 2769, 2844, 2982, 3081, 3276, 3318, 3479, 3528, 3692, 3822, 3871, 3976, 4108, 4424, 4473, 4977, 5096, 5112, 5538, 5609, 5688, 5733, 5964, 6162, 6461, 6552, 6636, 6958, 7189, 7384, 7644, 7742, 8216, 8307, 8946, 9243, 9954, 10437, 11076, 11218, 11466, 11613, 11928, 12324, 12922, 13272, 13916, 14378, 15288, 15484, 16614, 16827, 17892, 18486, 19383, 19908, 20874, 21567, 22152, 22436, 22932, 23226, 24648, 25844, 27832, 28756, 30968, 31311, 33228, 33654, 34839, 35784, 36972, 38766, 39263, 39816, 41748, 43134, 44872, 45227, 45864, 46452, 50323, 50481, 51688, 57512, 58149, 62622, 64701, 66456, 67308, 69678, 72917, 73944, 77532, 78526, 83496, 86268, 90454, 92904, 100646, 100962, 116298, 117789, 125244, 129402, 134616, 135681, 139356, 145834, 150969, 155064, 157052, 172536, 180908, 201292, 201924, 218751, 232596, 235578, 250488, 258804, 271362, 274841, 278712, 291668, 301938, 314104, 353367, 361816, 402584, 403848, 407043, 437502, 452907, 465192, 471156, 510419, 517608, 542724, 549682, 583336, 603876, 656253, 706734, 814086, 824523, 875004, 905814, 942312, 1020838, 1085448, 1099364, 1207752, 1312506, 1413468, 1531257, 1628172, 1649046, 1750008, 1811628, 2041676, 2198728, 2473569, 2625012, 2826936, 3062514, 3256344, 3298092, 3572933, 3623256, 4083352, 4593771, 4947138, 5250024, 6125028, 6596184, 7145866, 9187542, 9894276, 10718799, 12250056, 14291732, 18375084, 19788552, 21437598, 28583464, 32156397, 36750168, 42875196, 64312794, 85750392, 128625588, 257251176]

約数ペア:

[(1, 257251176), (2, 128625588), (3, 85750392), (4, 64312794), (6, 42875196), (7, 36750168), (8, 32156397), (9, 28583464), (12, 21437598), (13, 19788552), (14, 18375084), (18, 14291732), (21, 12250056), (24, 10718799), (26, 9894276), (28, 9187542), (36, 7145866), (39, 6596184), (42, 6125028), (49, 5250024), (52, 4947138), (56, 4593771), (63, 4083352), (71, 3623256), (72, 3572933), (78, 3298092), (79, 3256344), (84, 3062514), (91, 2826936), (98, 2625012), (104, 2473569), (117, 2198728), (126, 2041676), (142, 1811628), (147, 1750008), (156, 1649046), (158, 1628172), (168, 1531257), (182, 1413468), (196, 1312506), (213, 1207752), (234, 1099364), (237, 1085448), (252, 1020838), (273, 942312), (284, 905814), (294, 875004), (312, 824523), (316, 814086), (364, 706734), (392, 656253), (426, 603876), (441, 583336), (468, 549682), (474, 542724), (497, 517608), (504, 510419), (546, 471156), (553, 465192), (568, 452907), (588, 437502), (632, 407043), (637, 403848), (639, 402584), (711, 361816), (728, 353367), (819, 314104), (852, 301938), (882, 291668), (923, 278712), (936, 274841), (948, 271362), (994, 258804), (1027, 250488), (1092, 235578), (1106, 232596), (1176, 218751), (1274, 201924), (1278, 201292), (1422, 180908), (1491, 172536), (1638, 157052), (1659, 155064), (1704, 150969), (1764, 145834), (1846, 139356), (1896, 135681), (1911, 134616), (1988, 129402), (2054, 125244), (2184, 117789), (2212, 116298), (2548, 100962), (2556, 100646), (2769, 92904), (2844, 90454), (2982, 86268), (3081, 83496), (3276, 78526), (3318, 77532), (3479, 73944), (3528, 72917), (3692, 69678), (3822, 67308), (3871, 66456), (3976, 64701), (4108, 62622), (4424, 58149), (4473, 57512), (4977, 51688), (5096, 50481), (5112, 50323), (5538, 46452), (5609, 45864), (5688, 45227), (5733, 44872), (5964, 43134), (6162, 41748), (6461, 39816), (6552, 39263), (6636, 38766), (6958, 36972), (7189, 35784), (7384, 34839), (7644, 33654), (7742, 33228), (8216, 31311), (8307, 30968), (8946, 28756), (9243, 27832), (9954, 25844), (10437, 24648), (11076, 23226), (11218, 22932), (11466, 22436), (11613, 22152), (11928, 21567), (12324, 20874), (12922, 19908), (13272, 19383), (13916, 18486), (14378, 17892), (15288, 16827), (15484, 16614)]