81976808

素因数分解:

$2^3\times {\mathrm{2207}}^1\times {\mathrm{4643}}^1$

素因数の和:6856

約数の個数: 16

約数和(自身を含む): 153809280

約数和(自身を除く): 71832472

約数列:

[1, 2, 4, 8, 2207, 4414, 4643, 8828, 9286, 17656, 18572, 37144, 10247101, 20494202, 40988404, 81976808]

約数ペア:

[(1, 81976808), (2, 40988404), (4, 20494202), (8, 10247101), (2207, 37144), (4414, 18572), (4643, 17656), (8828, 9286)]