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    ÊÇÑíÎ ÇáÊÓÌíá
    Oct 2013
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    ÃÑÌæ ÇáãÓÇÚÏÉ ÌÒÇßã Çááå ÎíÑðÇ

    ÇáÓáÇã Úáíßã
    ÃÑÌæ ãÓÇÚÏÊí Ýí ÈÑåäÉ ãÇíáí ÝÖáðÇ áÇ ÃãÑðÇ :

    ßæÏ:
    \forall n \in \mathbb{N} : \sigma^3(n) \neq 3n
    ÍíË ÓíÌãÇ åí ãÌãæÚ ßá ÞæÇÓã ÇáÚÏÏ .. æÓíÌãÇ ÚãæãðÇ åí :

    ßæÏ:
    \sigma^i(n) = \sigma(\sigma^{i-1}(n)) \, \, \mbox{where} \, \, \, i , n \in \mathbb{N}
    Ýí ÇáæÑÞÉ ÇáãÑÝÞÉ ãÍÇæáÊí ÞØ Êßæä ÕÍíÍÉ æÞÏ Êßæä ÎÇØÆÉ .. áßä áã ÃÓÊØÚ ÇáÅßãÇá
    ÇáÕæÑ ÇáãÑÝÞÉ ÇáÕæÑ ÇáãÑÝÞÉ

ãÚáæãÇÊ ÇáãæÖæÚ

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ÇáÐíä íÔÇåÏæä ÇáãæÖæÚ ÇáÂä: 1 (0 ãä ÇáÃÚÖÇÁ æ 1 ÒÇÆÑ)

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