57178849

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20269}}^1$

素因数の和:20320

約数の個数: 16

約数和(自身を含む): 72647680

約数和(自身を除く): 15468831

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 20269, 141883, 263497, 628339, 1844479, 4398373, 8168407, 57178849]

約数ペア:

[(1, 57178849), (7, 8168407), (13, 4398373), (31, 1844479), (91, 628339), (217, 263497), (403, 141883), (2821, 20269)]