258334778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139943}}^1$

素因数の和:140029

約数の個数: 16

約数和(自身を含む): 423190656

約数和(自身を除く): 164855878

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 139943, 279886, 1819259, 3638518, 9935953, 19871906, 129167389, 258334778]

約数ペア:

[(1, 258334778), (2, 129167389), (13, 19871906), (26, 9935953), (71, 3638518), (142, 1819259), (923, 279886), (1846, 139943)]