271984

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 20

約数和(自身を含む): 535680

約数和(自身を除く): 263696

約数列:

[1, 2, 4, 8, 16, 89, 178, 191, 356, 382, 712, 764, 1424, 1528, 3056, 16999, 33998, 67996, 135992, 271984]

約数ペア:

[(1, 271984), (2, 135992), (4, 67996), (8, 33998), (16, 16999), (89, 3056), (178, 1528), (191, 1424), (356, 764), (382, 712)]