15764864

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 33782400

約数和(自身を除く): 18017536

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 64, 116, 124, 128, 137, 232, 248, 274, 464, 496, 548, 899, 928, 992, 1096, 1798, 1856, 1984, 2192, 3596, 3712, 3968, 3973, 4247, 4384, 7192, 7946, 8494, 8768, 14384, 15892, 16988, 17536, 28768, 31784, 33976, 57536, 63568, 67952, 115072, 123163, 127136, 135904, 246326, 254272, 271808, 492652, 508544, 543616, 985304, 1970608, 3941216, 7882432, 15764864]

約数ペア:

[(1, 15764864), (2, 7882432), (4, 3941216), (8, 1970608), (16, 985304), (29, 543616), (31, 508544), (32, 492652), (58, 271808), (62, 254272), (64, 246326), (116, 135904), (124, 127136), (128, 123163), (137, 115072), (232, 67952), (248, 63568), (274, 57536), (464, 33976), (496, 31784), (548, 28768), (899, 17536), (928, 16988), (992, 15892), (1096, 14384), (1798, 8768), (1856, 8494), (1984, 7946), (2192, 7192), (3596, 4384), (3712, 4247), (3968, 3973)]