644295961

素因数分解:

${\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{883}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 672122880

約数和(自身を除く): 27826919

約数列:

[1, 43, 71, 239, 883, 3053, 10277, 16969, 37969, 62693, 211037, 729667, 2695799, 9074591, 14983627, 644295961]

約数ペア:

[(1, 644295961), (43, 14983627), (71, 9074591), (239, 2695799), (883, 729667), (3053, 211037), (10277, 62693), (16969, 37969)]