16655989

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2053}}^1$

素因数の和:2140

約数の個数: 16

約数和(自身を含む): 20375680

約数和(自身を除く): 3719691

約数列:

[1, 7, 19, 61, 133, 427, 1159, 2053, 8113, 14371, 39007, 125233, 273049, 876631, 2379427, 16655989]

約数ペア:

[(1, 16655989), (7, 2379427), (19, 876631), (61, 273049), (133, 125233), (427, 39007), (1159, 14371), (2053, 8113)]