16389995

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 20150208

約数和(自身を除く): 3760213

約数列:

[1, 5, 71, 137, 337, 355, 685, 1685, 9727, 23927, 46169, 48635, 119635, 230845, 3277999, 16389995]

約数ペア:

[(1, 16389995), (5, 3277999), (71, 230845), (137, 119635), (337, 48635), (355, 46169), (685, 23927), (1685, 9727)]