1668842992

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{821281}}^1$

素因数の和:821416

約数の個数: 20

約数和(自身を含む): 3258846976

約数和(自身を除く): 1590003984

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 821281, 1642562, 3285124, 6570248, 13140496, 104302687, 208605374, 417210748, 834421496, 1668842992]

約数ペア:

[(1, 1668842992), (2, 834421496), (4, 417210748), (8, 208605374), (16, 104302687), (127, 13140496), (254, 6570248), (508, 3285124), (1016, 1642562), (2032, 821281)]