31087211

素因数分解:

${\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 33600000

約数和(自身を除く): 2512789

約数列:

[1, 19, 79, 139, 149, 1501, 2641, 2831, 10981, 11771, 20711, 208639, 223649, 393509, 1636169, 31087211]

約数ペア:

[(1, 31087211), (19, 1636169), (79, 393509), (139, 223649), (149, 208639), (1501, 20711), (2641, 11771), (2831, 10981)]