2001438719

素因数分解:

$7^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1\times {\mathrm{3583}}^1$

素因数の和:4190

約数の個数: 16

約数和(自身を含む): 2305228800

約数和(自身を除く): 303790081

約数列:

[1, 7, 199, 401, 1393, 2807, 3583, 25081, 79799, 558593, 713017, 1436783, 4991119, 10057481, 285919817, 2001438719]

約数ペア:

[(1, 2001438719), (7, 285919817), (199, 10057481), (401, 4991119), (1393, 1436783), (2807, 713017), (3583, 558593), (25081, 79799)]