87980408

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{255757}}^1$

素因数の和:255806

約数の個数: 16

約数和(自身を含む): 168800280

約数和(自身を除く): 80819872

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 255757, 511514, 1023028, 2046056, 10997551, 21995102, 43990204, 87980408]

約数ペア:

[(1, 87980408), (2, 43990204), (4, 21995102), (8, 10997551), (43, 2046056), (86, 1023028), (172, 511514), (344, 255757)]