31279604

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{19501}}^1$

素因数の和:19906

約数の個数: 12

約数和(自身を含む): 54878628

約数和(自身を除く): 23599024

約数列:

[1, 2, 4, 401, 802, 1604, 19501, 39002, 78004, 7819901, 15639802, 31279604]

約数ペア:

[(1, 31279604), (2, 15639802), (4, 7819901), (401, 78004), (802, 39002), (1604, 19501)]