138937904

素因数分解:

$2^4\times 7^1\times {\mathrm{1240517}}^1$

素因数の和:1240532

約数の個数: 20

約数和(自身を含む): 307648464

約数和(自身を除く): 168710560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1240517, 2481034, 4962068, 8683619, 9924136, 17367238, 19848272, 34734476, 69468952, 138937904]

約数ペア:

[(1, 138937904), (2, 69468952), (4, 34734476), (7, 19848272), (8, 17367238), (14, 9924136), (16, 8683619), (28, 4962068), (56, 2481034), (112, 1240517)]