7981919

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 9260160

約数和(自身を除く): 1278241

約数列:

[1, 11, 19, 181, 209, 211, 1991, 2321, 3439, 4009, 37829, 38191, 44099, 420101, 725629, 7981919]

約数ペア:

[(1, 7981919), (11, 725629), (19, 420101), (181, 44099), (209, 38191), (211, 37829), (1991, 4009), (2321, 3439)]