187778191

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:790

約数の個数: 16

約数和(自身を含む): 198400000

約数和(自身を除く): 10621809

約数列:

[1, 31, 61, 199, 499, 1891, 6169, 12139, 15469, 30439, 99301, 376309, 943609, 3078331, 6057361, 187778191]

約数ペア:

[(1, 187778191), (31, 6057361), (61, 3078331), (199, 943609), (499, 376309), (1891, 99301), (6169, 30439), (12139, 15469)]