257851392

素因数分解:

$2^{15}\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 715117920

約数和(自身を除く): 457266528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 61, 64, 86, 96, 122, 128, 129, 172, 183, 192, 244, 256, 258, 344, 366, 384, 488, 512, 516, 688, 732, 768, 976, 1024, 1032, 1376, 1464, 1536, 1952, 2048, 2064, 2623, 2752, 2928, 3072, 3904, 4096, 4128, 5246, 5504, 5856, 6144, 7808, 7869, 8192, 8256, 10492, 11008, 11712, 12288, 15616, 15738, 16384, 16512, 20984, 22016, 23424, 24576, 31232, 31476, 32768, 33024, 41968, 44032, 46848, 49152, 62464, 62952, 66048, 83936, 88064, 93696, 98304, 124928, 125904, 132096, 167872, 176128, 187392, 249856, 251808, 264192, 335744, 352256, 374784, 499712, 503616, 528384, 671488, 704512, 749568, 999424, 1007232, 1056768, 1342976, 1409024, 1499136, 1998848, 2014464, 2113536, 2685952, 2998272, 4028928, 4227072, 5371904, 5996544, 8057856, 10743808, 16115712, 21487616, 32231424, 42975232, 64462848, 85950464, 128925696, 257851392]

約数ペア:

[(1, 257851392), (2, 128925696), (3, 85950464), (4, 64462848), (6, 42975232), (8, 32231424), (12, 21487616), (16, 16115712), (24, 10743808), (32, 8057856), (43, 5996544), (48, 5371904), (61, 4227072), (64, 4028928), (86, 2998272), (96, 2685952), (122, 2113536), (128, 2014464), (129, 1998848), (172, 1499136), (183, 1409024), (192, 1342976), (244, 1056768), (256, 1007232), (258, 999424), (344, 749568), (366, 704512), (384, 671488), (488, 528384), (512, 503616), (516, 499712), (688, 374784), (732, 352256), (768, 335744), (976, 264192), (1024, 251808), (1032, 249856), (1376, 187392), (1464, 176128), (1536, 167872), (1952, 132096), (2048, 125904), (2064, 124928), (2623, 98304), (2752, 93696), (2928, 88064), (3072, 83936), (3904, 66048), (4096, 62952), (4128, 62464), (5246, 49152), (5504, 46848), (5856, 44032), (6144, 41968), (7808, 33024), (7869, 32768), (8192, 31476), (8256, 31232), (10492, 24576), (11008, 23424), (11712, 22016), (12288, 20984), (15616, 16512), (15738, 16384)]