256975616

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{32381}}^1$

素因数の和:32428

約数の個数: 36

約数和(自身を含む): 529510464

約数和(自身を除く): 272534848

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 32381, 64762, 129524, 259048, 518096, 1003811, 1036192, 2007622, 2072384, 4015244, 4144768, 8030488, 8289536, 16060976, 32121952, 64243904, 128487808, 256975616]

約数ペア:

[(1, 256975616), (2, 128487808), (4, 64243904), (8, 32121952), (16, 16060976), (31, 8289536), (32, 8030488), (62, 4144768), (64, 4015244), (124, 2072384), (128, 2007622), (248, 1036192), (256, 1003811), (496, 518096), (992, 259048), (1984, 129524), (3968, 64762), (7936, 32381)]