1556217856

素因数分解:

$2^{17}\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:448

約数の個数: 72

約数和(自身を含む): 3221213184

約数和(自身を除く): 1664995328

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 383, 496, 512, 766, 992, 1024, 1532, 1984, 2048, 3064, 3968, 4096, 6128, 7936, 8192, 11873, 12256, 15872, 16384, 23746, 24512, 31744, 32768, 47492, 49024, 63488, 65536, 94984, 98048, 126976, 131072, 189968, 196096, 253952, 379936, 392192, 507904, 759872, 784384, 1015808, 1519744, 1568768, 2031616, 3039488, 3137536, 4063232, 6078976, 6275072, 12157952, 12550144, 24315904, 25100288, 48631808, 50200576, 97263616, 194527232, 389054464, 778108928, 1556217856]

約数ペア:

[(1, 1556217856), (2, 778108928), (4, 389054464), (8, 194527232), (16, 97263616), (31, 50200576), (32, 48631808), (62, 25100288), (64, 24315904), (124, 12550144), (128, 12157952), (248, 6275072), (256, 6078976), (383, 4063232), (496, 3137536), (512, 3039488), (766, 2031616), (992, 1568768), (1024, 1519744), (1532, 1015808), (1984, 784384), (2048, 759872), (3064, 507904), (3968, 392192), (4096, 379936), (6128, 253952), (7936, 196096), (8192, 189968), (11873, 131072), (12256, 126976), (15872, 98048), (16384, 94984), (23746, 65536), (24512, 63488), (31744, 49024), (32768, 47492)]