138729710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1981853}}^1$

素因数の和:1981867

約数の個数: 16

約数和(自身を含む): 285386976

約数和(自身を除く): 146657266

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1981853, 3963706, 9909265, 13872971, 19818530, 27745942, 69364855, 138729710]

約数ペア:

[(1, 138729710), (2, 69364855), (5, 27745942), (7, 19818530), (10, 13872971), (14, 9909265), (35, 3963706), (70, 1981853)]