489678976

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{123407}}^1$

素因数の和:123452

約数の個数: 32

約数和(自身を含む): 1007009280

約数和(自身を除く): 517330304

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 123407, 246814, 493628, 987256, 1974512, 3825617, 3949024, 7651234, 7898048, 15302468, 15796096, 30604936, 61209872, 122419744, 244839488, 489678976]

約数ペア:

[(1, 489678976), (2, 244839488), (4, 122419744), (8, 61209872), (16, 30604936), (31, 15796096), (32, 15302468), (62, 7898048), (64, 7651234), (124, 3949024), (128, 3825617), (248, 1974512), (496, 987256), (992, 493628), (1984, 246814), (3968, 123407)]