87964928

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 184009056

約数和(自身を除く): 96044128

約数列:

[1, 2, 4, 8, 16, 32, 43, 61, 64, 86, 122, 128, 131, 172, 244, 256, 262, 344, 488, 524, 688, 976, 1048, 1376, 1952, 2096, 2623, 2752, 3904, 4192, 5246, 5504, 5633, 7808, 7991, 8384, 10492, 11008, 11266, 15616, 15982, 16768, 20984, 22532, 31964, 33536, 41968, 45064, 63928, 83936, 90128, 127856, 167872, 180256, 255712, 335744, 343613, 360512, 511424, 671488, 687226, 721024, 1022848, 1374452, 1442048, 2045696, 2748904, 5497808, 10995616, 21991232, 43982464, 87964928]

約数ペア:

[(1, 87964928), (2, 43982464), (4, 21991232), (8, 10995616), (16, 5497808), (32, 2748904), (43, 2045696), (61, 1442048), (64, 1374452), (86, 1022848), (122, 721024), (128, 687226), (131, 671488), (172, 511424), (244, 360512), (256, 343613), (262, 335744), (344, 255712), (488, 180256), (524, 167872), (688, 127856), (976, 90128), (1048, 83936), (1376, 63928), (1952, 45064), (2096, 41968), (2623, 33536), (2752, 31964), (3904, 22532), (4192, 20984), (5246, 16768), (5504, 15982), (5633, 15616), (7808, 11266), (7991, 11008), (8384, 10492)]