239636278

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{123143}}^1$

素因数の和:123291

約数の個数: 16

約数和(自身を含む): 413763840

約数和(自身を除く): 174127562

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 123143, 246286, 862001, 1724002, 17116877, 34233754, 119818139, 239636278]

約数ペア:

[(1, 239636278), (2, 119818139), (7, 34233754), (14, 17116877), (139, 1724002), (278, 862001), (973, 246286), (1946, 123143)]