256543271426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{9941}}^1\times {\mathrm{992561}}^1$

素因数の和:1002517

約数の個数: 16

約数和(自身を含む): 414458158968

約数和(自身を除く): 157914887542

約数列:

[1, 2, 13, 26, 9941, 19882, 129233, 258466, 992561, 1985122, 12903293, 25806586, 9867048901, 19734097802, 128271635713, 256543271426]

約数ペア:

[(1, 256543271426), (2, 128271635713), (13, 19734097802), (26, 9867048901), (9941, 25806586), (19882, 12903293), (129233, 1985122), (258466, 992561)]