80880289

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1493}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 94659840

約数和(自身を除く): 13779551

約数列:

[1, 7, 71, 109, 497, 763, 1493, 7739, 10451, 54173, 106003, 162737, 742021, 1139159, 11554327, 80880289]

約数ペア:

[(1, 80880289), (7, 11554327), (71, 1139159), (109, 742021), (497, 162737), (763, 106003), (1493, 54173), (7739, 10451)]