820170086

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{997}}^1\times {\mathrm{1721}}^1$

素因数の和:2959

約数の個数: 16

約数和(自身を含む): 1237360320

約数和(自身を除く): 417190234

約数列:

[1, 2, 239, 478, 997, 1721, 1994, 3442, 238283, 411319, 476566, 822638, 1715837, 3431674, 410085043, 820170086]

約数ペア:

[(1, 820170086), (2, 410085043), (239, 3431674), (478, 1715837), (997, 822638), (1721, 476566), (1994, 411319), (3442, 238283)]