2078391007

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{550859}}^1$

素因数の和:550891

約数の個数: 16

約数和(自身を含む): 2644128000

約数和(自身を除く): 565736993

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 550859, 3856013, 6059449, 26992091, 42416143, 188944637, 296913001, 2078391007]

約数ペア:

[(1, 2078391007), (7, 296913001), (11, 188944637), (49, 42416143), (77, 26992091), (343, 6059449), (539, 3856013), (3773, 550859)]