257673984

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 722104320

約数和(自身を除く): 464430336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 79, 93, 96, 124, 128, 137, 158, 186, 192, 237, 248, 256, 274, 316, 372, 384, 411, 474, 496, 548, 632, 744, 768, 822, 948, 992, 1096, 1264, 1488, 1644, 1896, 1984, 2192, 2449, 2528, 2976, 3288, 3792, 3968, 4247, 4384, 4898, 5056, 5952, 6576, 7347, 7584, 7936, 8494, 8768, 9796, 10112, 10823, 11904, 12741, 13152, 14694, 15168, 16988, 17536, 19592, 20224, 21646, 23808, 25482, 26304, 29388, 30336, 32469, 33976, 35072, 39184, 43292, 50964, 52608, 58776, 60672, 64938, 67952, 78368, 86584, 101928, 105216, 117552, 129876, 135904, 156736, 173168, 203856, 235104, 259752, 271808, 313472, 335513, 346336, 407712, 470208, 519504, 543616, 626944, 671026, 692672, 815424, 940416, 1006539, 1039008, 1087232, 1342052, 1385344, 1630848, 1880832, 2013078, 2078016, 2684104, 2770688, 3261696, 4026156, 4156032, 5368208, 8052312, 8312064, 10736416, 16104624, 21472832, 32209248, 42945664, 64418496, 85891328, 128836992, 257673984]

約数ペア:

[(1, 257673984), (2, 128836992), (3, 85891328), (4, 64418496), (6, 42945664), (8, 32209248), (12, 21472832), (16, 16104624), (24, 10736416), (31, 8312064), (32, 8052312), (48, 5368208), (62, 4156032), (64, 4026156), (79, 3261696), (93, 2770688), (96, 2684104), (124, 2078016), (128, 2013078), (137, 1880832), (158, 1630848), (186, 1385344), (192, 1342052), (237, 1087232), (248, 1039008), (256, 1006539), (274, 940416), (316, 815424), (372, 692672), (384, 671026), (411, 626944), (474, 543616), (496, 519504), (548, 470208), (632, 407712), (744, 346336), (768, 335513), (822, 313472), (948, 271808), (992, 259752), (1096, 235104), (1264, 203856), (1488, 173168), (1644, 156736), (1896, 135904), (1984, 129876), (2192, 117552), (2449, 105216), (2528, 101928), (2976, 86584), (3288, 78368), (3792, 67952), (3968, 64938), (4247, 60672), (4384, 58776), (4898, 52608), (5056, 50964), (5952, 43292), (6576, 39184), (7347, 35072), (7584, 33976), (7936, 32469), (8494, 30336), (8768, 29388), (9796, 26304), (10112, 25482), (10823, 23808), (11904, 21646), (12741, 20224), (13152, 19592), (14694, 17536), (15168, 16988)]