128161445

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1\times {\mathrm{839}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 155796480

約数和(自身を除く): 27635035

約数列:

[1, 5, 137, 223, 685, 839, 1115, 4195, 30551, 114943, 152755, 187097, 574715, 935485, 25632289, 128161445]

約数ペア:

[(1, 128161445), (5, 25632289), (137, 935485), (223, 574715), (685, 187097), (839, 152755), (1115, 114943), (4195, 30551)]