2139236464

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{304561}}^1$

素因数の和:305008

約数の個数: 20

約数和(自身を含む): 4154225680

約数和(自身を除く): 2014989216

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3512, 7024, 304561, 609122, 1218244, 2436488, 4872976, 133702279, 267404558, 534809116, 1069618232, 2139236464]

約数ペア:

[(1, 2139236464), (2, 1069618232), (4, 534809116), (8, 267404558), (16, 133702279), (439, 4872976), (878, 2436488), (1756, 1218244), (3512, 609122), (7024, 304561)]