257725568

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{64951}}^1$

素因数の和:64996

約数の個数: 32

約数和(自身を含む): 530008320

約数和(自身を除く): 272282752

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 64951, 129902, 259804, 519608, 1039216, 2013481, 2078432, 4026962, 4156864, 8053924, 8313728, 16107848, 32215696, 64431392, 128862784, 257725568]

約数ペア:

[(1, 257725568), (2, 128862784), (4, 64431392), (8, 32215696), (16, 16107848), (31, 8313728), (32, 8053924), (62, 4156864), (64, 4026962), (124, 2078432), (128, 2013481), (248, 1039216), (496, 519608), (992, 259804), (1984, 129902), (3968, 64951)]