205969687

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{13177}}^1$

素因数の和:13231

約数の個数: 24

約数和(自身を含む): 270412560

約数和(自身を除く): 64442873

約数列:

[1, 7, 11, 29, 49, 77, 203, 319, 539, 1421, 2233, 13177, 15631, 92239, 144947, 382133, 645673, 1014629, 2674931, 4203463, 7102403, 18724517, 29424241, 205969687]

約数ペア:

[(1, 205969687), (7, 29424241), (11, 18724517), (29, 7102403), (49, 4203463), (77, 2674931), (203, 1014629), (319, 645673), (539, 382133), (1421, 144947), (2233, 92239), (13177, 15631)]