139797070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1997101}}^1$

素因数の和:1997115

約数の個数: 16

約数和(自身を含む): 287582688

約数和(自身を除く): 147785618

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1997101, 3994202, 9985505, 13979707, 19971010, 27959414, 69898535, 139797070]

約数ペア:

[(1, 139797070), (2, 69898535), (5, 27959414), (7, 19971010), (10, 13979707), (14, 9985505), (35, 3994202), (70, 1997101)]