257967616

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{16253}}^1$

素因数の和:16302

約数の個数: 40

約数和(自身を含む): 532090944

約数和(自身を除く): 274123328

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 16253, 32506, 65012, 130024, 260048, 503843, 520096, 1007686, 1040192, 2015372, 2080384, 4030744, 4160768, 8061488, 8321536, 16122976, 32245952, 64491904, 128983808, 257967616]

約数ペア:

[(1, 257967616), (2, 128983808), (4, 64491904), (8, 32245952), (16, 16122976), (31, 8321536), (32, 8061488), (62, 4160768), (64, 4030744), (124, 2080384), (128, 2015372), (248, 1040192), (256, 1007686), (496, 520096), (512, 503843), (992, 260048), (1984, 130024), (3968, 65012), (7936, 32506), (15872, 16253)]