138840590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1983437}}^1$

素因数の和:1983451

約数の個数: 16

約数和(自身を含む): 285615072

約数和(自身を除く): 146774482

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1983437, 3966874, 9917185, 13884059, 19834370, 27768118, 69420295, 138840590]

約数ペア:

[(1, 138840590), (2, 69420295), (5, 27768118), (7, 19834370), (10, 13884059), (14, 9917185), (35, 3966874), (70, 1983437)]