257192208

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1033}}^1$

素因数の和:1086

約数の個数: 240

約数和(自身を含む): 933412480

約数和(自身を除く): 676220272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 19, 21, 24, 26, 28, 36, 38, 39, 42, 48, 52, 56, 57, 63, 72, 76, 78, 84, 91, 104, 112, 114, 117, 126, 133, 144, 152, 156, 168, 171, 182, 208, 228, 234, 247, 252, 266, 273, 304, 312, 336, 342, 364, 399, 456, 468, 494, 504, 532, 546, 624, 684, 728, 741, 798, 819, 912, 936, 988, 1008, 1033, 1064, 1092, 1197, 1368, 1456, 1482, 1596, 1638, 1729, 1872, 1976, 2066, 2128, 2184, 2223, 2394, 2736, 2964, 3099, 3192, 3276, 3458, 3952, 4132, 4368, 4446, 4788, 5187, 5928, 6198, 6384, 6552, 6916, 7231, 8264, 8892, 9297, 9576, 10374, 11856, 12396, 13104, 13429, 13832, 14462, 15561, 16528, 17784, 18594, 19152, 19627, 20748, 21693, 24792, 26858, 27664, 28924, 31122, 35568, 37188, 39254, 40287, 41496, 43386, 49584, 53716, 57848, 58881, 62244, 65079, 74376, 78508, 80574, 82992, 86772, 94003, 107432, 115696, 117762, 120861, 124488, 130158, 137389, 148752, 157016, 161148, 173544, 176643, 188006, 214864, 235524, 241722, 248976, 255151, 260316, 274778, 282009, 314032, 322296, 347088, 353286, 376012, 412167, 471048, 483444, 510302, 520632, 549556, 564018, 644592, 706572, 752024, 765453, 824334, 846027, 942096, 966888, 1020604, 1041264, 1099112, 1128036, 1236501, 1413144, 1504048, 1530906, 1648668, 1692054, 1786057, 1933776, 2041208, 2198224, 2256072, 2296359, 2473002, 2826288, 3061812, 3297336, 3384108, 3572114, 4082416, 4512144, 4592718, 4946004, 5358171, 6123624, 6594672, 6768216, 7144228, 9185436, 9892008, 10716342, 12247248, 13536432, 14288456, 16074513, 18370872, 19784016, 21432684, 28576912, 32149026, 36741744, 42865368, 64298052, 85730736, 128596104, 257192208]

約数ペア:

[(1, 257192208), (2, 128596104), (3, 85730736), (4, 64298052), (6, 42865368), (7, 36741744), (8, 32149026), (9, 28576912), (12, 21432684), (13, 19784016), (14, 18370872), (16, 16074513), (18, 14288456), (19, 13536432), (21, 12247248), (24, 10716342), (26, 9892008), (28, 9185436), (36, 7144228), (38, 6768216), (39, 6594672), (42, 6123624), (48, 5358171), (52, 4946004), (56, 4592718), (57, 4512144), (63, 4082416), (72, 3572114), (76, 3384108), (78, 3297336), (84, 3061812), (91, 2826288), (104, 2473002), (112, 2296359), (114, 2256072), (117, 2198224), (126, 2041208), (133, 1933776), (144, 1786057), (152, 1692054), (156, 1648668), (168, 1530906), (171, 1504048), (182, 1413144), (208, 1236501), (228, 1128036), (234, 1099112), (247, 1041264), (252, 1020604), (266, 966888), (273, 942096), (304, 846027), (312, 824334), (336, 765453), (342, 752024), (364, 706572), (399, 644592), (456, 564018), (468, 549556), (494, 520632), (504, 510302), (532, 483444), (546, 471048), (624, 412167), (684, 376012), (728, 353286), (741, 347088), (798, 322296), (819, 314032), (912, 282009), (936, 274778), (988, 260316), (1008, 255151), (1033, 248976), (1064, 241722), (1092, 235524), (1197, 214864), (1368, 188006), (1456, 176643), (1482, 173544), (1596, 161148), (1638, 157016), (1729, 148752), (1872, 137389), (1976, 130158), (2066, 124488), (2128, 120861), (2184, 117762), (2223, 115696), (2394, 107432), (2736, 94003), (2964, 86772), (3099, 82992), (3192, 80574), (3276, 78508), (3458, 74376), (3952, 65079), (4132, 62244), (4368, 58881), (4446, 57848), (4788, 53716), (5187, 49584), (5928, 43386), (6198, 41496), (6384, 40287), (6552, 39254), (6916, 37188), (7231, 35568), (8264, 31122), (8892, 28924), (9297, 27664), (9576, 26858), (10374, 24792), (11856, 21693), (12396, 20748), (13104, 19627), (13429, 19152), (13832, 18594), (14462, 17784), (15561, 16528)]