399507456

素因数分解:

$2^{20}\times 3^1\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 84

約数和(自身を含む): 1073741312

約数和(自身を除く): 674233856

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, 762, 768, 1016, 1024, 1524, 1536, 2032, 2048, 3048, 3072, 4064, 4096, 6096, 6144, 8128, 8192, 12192, 12288, 16256, 16384, 24384, 24576, 32512, 32768, 48768, 49152, 65024, 65536, 97536, 98304, 130048, 131072, 195072, 196608, 260096, 262144, 390144, 393216, 520192, 524288, 780288, 786432, 1040384, 1048576, 1560576, 1572864, 2080768, 3121152, 3145728, 4161536, 6242304, 8323072, 12484608, 16646144, 24969216, 33292288, 49938432, 66584576, 99876864, 133169152, 199753728, 399507456]

約数ペア:

[(1, 399507456), (2, 199753728), (3, 133169152), (4, 99876864), (6, 66584576), (8, 49938432), (12, 33292288), (16, 24969216), (24, 16646144), (32, 12484608), (48, 8323072), (64, 6242304), (96, 4161536), (127, 3145728), (128, 3121152), (192, 2080768), (254, 1572864), (256, 1560576), (381, 1048576), (384, 1040384), (508, 786432), (512, 780288), (762, 524288), (768, 520192), (1016, 393216), (1024, 390144), (1524, 262144), (1536, 260096), (2032, 196608), (2048, 195072), (3048, 131072), (3072, 130048), (4064, 98304), (4096, 97536), (6096, 65536), (6144, 65024), (8128, 49152), (8192, 48768), (12192, 32768), (12288, 32512), (16256, 24576), (16384, 24384)]