172344986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{77563}}^1$

素因数の和:77677

約数の個数: 16

約数和(自身を含む): 284815008

約数和(自身を除く): 112470022

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 77563, 155126, 853193, 1706386, 7833863, 15667726, 86172493, 172344986]

約数ペア:

[(1, 172344986), (2, 86172493), (11, 15667726), (22, 7833863), (101, 1706386), (202, 853193), (1111, 155126), (2222, 77563)]