12719987

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1621}}^1$

素因数の和:1706

約数の個数: 16

約数和(自身を含む): 15571200

約数和(自身を除く): 2851213

約数列:

[1, 7, 19, 59, 133, 413, 1121, 1621, 7847, 11347, 30799, 95639, 215593, 669473, 1817141, 12719987]

約数ペア:

[(1, 12719987), (7, 1817141), (19, 669473), (59, 215593), (133, 95639), (413, 30799), (1121, 11347), (1621, 7847)]