389916385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{29959}}^1$

素因数の和:30120

約数の個数: 16

約数和(自身を含む): 496137600

約数和(自身を除く): 106221215

約数列:

[1, 5, 19, 95, 137, 685, 2603, 13015, 29959, 149795, 569221, 2846105, 4104383, 20521915, 77983277, 389916385]

約数ペア:

[(1, 389916385), (5, 77983277), (19, 20521915), (95, 4104383), (137, 2846105), (685, 569221), (2603, 149795), (13015, 29959)]