257885184

素因数分解:

$2^{10}\times 3^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:811

約数の個数: 88

約数和(自身を含む): 693818368

約数和(自身を除く): 435933184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 127, 128, 192, 254, 256, 381, 384, 508, 512, 661, 762, 768, 1016, 1024, 1322, 1524, 1536, 1983, 2032, 2644, 3048, 3072, 3966, 4064, 5288, 6096, 7932, 8128, 10576, 12192, 15864, 16256, 21152, 24384, 31728, 32512, 42304, 48768, 63456, 65024, 83947, 84608, 97536, 126912, 130048, 167894, 169216, 195072, 251841, 253824, 335788, 338432, 390144, 503682, 507648, 671576, 676864, 1007364, 1015296, 1343152, 2014728, 2030592, 2686304, 4029456, 5372608, 8058912, 10745216, 16117824, 21490432, 32235648, 42980864, 64471296, 85961728, 128942592, 257885184]

約数ペア:

[(1, 257885184), (2, 128942592), (3, 85961728), (4, 64471296), (6, 42980864), (8, 32235648), (12, 21490432), (16, 16117824), (24, 10745216), (32, 8058912), (48, 5372608), (64, 4029456), (96, 2686304), (127, 2030592), (128, 2014728), (192, 1343152), (254, 1015296), (256, 1007364), (381, 676864), (384, 671576), (508, 507648), (512, 503682), (661, 390144), (762, 338432), (768, 335788), (1016, 253824), (1024, 251841), (1322, 195072), (1524, 169216), (1536, 167894), (1983, 130048), (2032, 126912), (2644, 97536), (3048, 84608), (3072, 83947), (3966, 65024), (4064, 63456), (5288, 48768), (6096, 42304), (7932, 32512), (8128, 31728), (10576, 24384), (12192, 21152), (15864, 16256)]