2051211152

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{199379}}^1$

素因数の和:200030

約数の個数: 20

約数和(自身を含む): 3980422320

約数和(自身を除く): 1929211168

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 10288, 199379, 398758, 797516, 1595032, 3190064, 128200697, 256401394, 512802788, 1025605576, 2051211152]

約数ペア:

[(1, 2051211152), (2, 1025605576), (4, 512802788), (8, 256401394), (16, 128200697), (643, 3190064), (1286, 1595032), (2572, 797516), (5144, 398758), (10288, 199379)]