396857728

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{24413}}^1$

素因数の和:24554

約数の個数: 32

約数和(自身を含む): 796872960

約数和(自身を除く): 400015232

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 8128, 16256, 24413, 48826, 97652, 195304, 390608, 781216, 1562432, 3100451, 3124864, 6200902, 12401804, 24803608, 49607216, 99214432, 198428864, 396857728]

約数ペア:

[(1, 396857728), (2, 198428864), (4, 99214432), (8, 49607216), (16, 24803608), (32, 12401804), (64, 6200902), (127, 3124864), (128, 3100451), (254, 1562432), (508, 781216), (1016, 390608), (2032, 195304), (4064, 97652), (8128, 48826), (16256, 24413)]