7967870

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1987}}^1$

素因数の和:2395

約数の個数: 16

約数和(自身を含む): 14385168

約数和(自身を除く): 6417298

約数列:

[1, 2, 5, 10, 401, 802, 1987, 2005, 3974, 4010, 9935, 19870, 796787, 1593574, 3983935, 7967870]

約数ペア:

[(1, 7967870), (2, 3983935), (5, 1593574), (10, 796787), (401, 19870), (802, 9935), (1987, 4010), (2005, 3974)]