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友愛数

名詞 CEFR C2

定義

amicable numbers, two different numbers related in such a way that the sum of the proper divisors of each is equal to the other number.

等価語

Englishamicable number

Españolnúmeros amigos

Françaisnombres amicaux

7 more languages

Deutschbefreundete Zahlen

Magyarbarátságos számok

Italianonumero amicabile

한국어친화수

Portuguêsnúmero amigável número amigo

Русскийдружественное число

Svenskavänskapliga tal

CEFRレベル

C2

熟達
この単語はCEFR C2語彙に含まれます——熟達レベル。

See all C2 日本語 words →

関連項目

友昭友枝友永友治友理友理奈

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