978207232

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{61631}}^1$

素因数の和:61680

約数の個数: 40

約数和(自身を含む): 2017585152

約数和(自身を除く): 1039377920

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 61631, 123262, 246524, 493048, 986096, 1910561, 1972192, 3821122, 3944384, 7642244, 7888768, 15284488, 15777536, 30568976, 31555072, 61137952, 122275904, 244551808, 489103616, 978207232]

約数ペア:

[(1, 978207232), (2, 489103616), (4, 244551808), (8, 122275904), (16, 61137952), (31, 31555072), (32, 30568976), (62, 15777536), (64, 15284488), (124, 7888768), (128, 7642244), (248, 3944384), (256, 3821122), (496, 1972192), (512, 1910561), (992, 986096), (1984, 493048), (3968, 246524), (7936, 123262), (15872, 61631)]