2017990551

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{225499}}^1$

素因数の和:225678

約数の個数: 16

約数和(自身を含む): 2850320000

約数和(自身を除く): 832329449

約数列:

[1, 3, 19, 57, 157, 471, 2983, 8949, 225499, 676497, 4284481, 12853443, 35403343, 106210029, 672663517, 2017990551]

約数ペア:

[(1, 2017990551), (3, 672663517), (19, 106210029), (57, 35403343), (157, 12853443), (471, 4284481), (2983, 676497), (8949, 225499)]