138865208

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{244481}}^1$

素因数の和:244558

約数の個数: 16

約数和(自身を含む): 264040560

約数和(自身を除く): 125175352

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 244481, 488962, 977924, 1955848, 17358151, 34716302, 69432604, 138865208]

約数ペア:

[(1, 138865208), (2, 69432604), (4, 34716302), (8, 17358151), (71, 1955848), (142, 977924), (284, 488962), (568, 244481)]