206814839

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1493}}^1$

素因数の和:1775

約数の個数: 24

約数和(自身を含む): 263649168

約数和(自身を除く): 56834329

約数列:

[1, 7, 11, 49, 77, 257, 539, 1493, 1799, 2827, 10451, 12593, 16423, 19789, 73157, 114961, 138523, 383701, 804727, 2685907, 4220711, 18801349, 29544977, 206814839]

約数ペア:

[(1, 206814839), (7, 29544977), (11, 18801349), (49, 4220711), (77, 2685907), (257, 804727), (539, 383701), (1493, 138523), (1799, 114961), (2827, 73157), (10451, 19789), (12593, 16423)]