31791616

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2052

約数の個数: 40

約数和(自身を含む): 65602944

約数和(自身を除く): 33811328

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 2003, 3968, 4006, 7936, 8012, 15872, 16024, 32048, 62093, 64096, 124186, 128192, 248372, 256384, 496744, 512768, 993488, 1025536, 1986976, 3973952, 7947904, 15895808, 31791616]

約数ペア:

[(1, 31791616), (2, 15895808), (4, 7947904), (8, 3973952), (16, 1986976), (31, 1025536), (32, 993488), (62, 512768), (64, 496744), (124, 256384), (128, 248372), (248, 128192), (256, 124186), (496, 64096), (512, 62093), (992, 32048), (1984, 16024), (2003, 15872), (3968, 8012), (4006, 7936)]