163955728

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{65269}}^1$

素因数の和:65434

約数の個数: 20

約数和(自身を含む): 319692460

約数和(自身を除く): 155736732

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 65269, 130538, 261076, 522152, 1044304, 10247233, 20494466, 40988932, 81977864, 163955728]

約数ペア:

[(1, 163955728), (2, 81977864), (4, 40988932), (8, 20494466), (16, 10247233), (157, 1044304), (314, 522152), (628, 261076), (1256, 130538), (2512, 65269)]