254279216

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{157351}}^1$

素因数の和:157460

約数の個数: 20

約数和(自身を含む): 497547024

約数和(自身を除く): 243267808

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 157351, 314702, 629404, 1258808, 2517616, 15892451, 31784902, 63569804, 127139608, 254279216]

約数ペア:

[(1, 254279216), (2, 127139608), (4, 63569804), (8, 31784902), (16, 15892451), (101, 2517616), (202, 1258808), (404, 629404), (808, 314702), (1616, 157351)]