221631536

素因数分解:

$2^4\times 7^1\times {\mathrm{1978853}}^1$

素因数の和:1978868

約数の個数: 20

約数和(自身を含む): 490755792

約数和(自身を除く): 269124256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1978853, 3957706, 7915412, 13851971, 15830824, 27703942, 31661648, 55407884, 110815768, 221631536]

約数ペア:

[(1, 221631536), (2, 110815768), (4, 55407884), (7, 31661648), (8, 27703942), (14, 15830824), (16, 13851971), (28, 7915412), (56, 3957706), (112, 1978853)]