138786970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1982671}}^1$

素因数の和:1982685

約数の個数: 16

約数和(自身を含む): 285504768

約数和(自身を除く): 146717798

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1982671, 3965342, 9913355, 13878697, 19826710, 27757394, 69393485, 138786970]

約数ペア:

[(1, 138786970), (2, 69393485), (5, 27757394), (7, 19826710), (10, 13878697), (14, 9913355), (35, 3965342), (70, 1982671)]