638867092

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{2187901}}^1$

素因数の和:2187978

約数の個数: 12

約数和(自身を含む): 1133333236

約数和(自身を除く): 494466144

約数列:

[1, 2, 4, 73, 146, 292, 2187901, 4375802, 8751604, 159716773, 319433546, 638867092]

約数ペア:

[(1, 638867092), (2, 319433546), (4, 159716773), (73, 8751604), (146, 4375802), (292, 2187901)]