218328208

素因数分解:

$2^4\times 7^1\times {\mathrm{1949359}}^1$

素因数の和:1949374

約数の個数: 20

約数和(自身を含む): 483441280

約数和(自身を除く): 265113072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1949359, 3898718, 7797436, 13645513, 15594872, 27291026, 31189744, 54582052, 109164104, 218328208]

約数ペア:

[(1, 218328208), (2, 109164104), (4, 54582052), (7, 31189744), (8, 27291026), (14, 15594872), (16, 13645513), (28, 7797436), (56, 3898718), (112, 1949359)]