197703121

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 264895488

約数和(自身を除く): 67192367

約数列:

[1, 7, 11, 29, 43, 71, 77, 203, 301, 319, 473, 497, 781, 841, 1247, 2059, 2233, 3053, 3311, 5467, 5887, 8729, 9251, 13717, 14413, 21371, 22649, 33583, 36163, 59711, 64757, 88537, 96019, 158543, 235081, 253141, 397793, 417977, 619759, 656821, 973907, 2567573, 2784551, 4597747, 6817349, 17973011, 28243303, 197703121]

約数ペア:

[(1, 197703121), (7, 28243303), (11, 17973011), (29, 6817349), (43, 4597747), (71, 2784551), (77, 2567573), (203, 973907), (301, 656821), (319, 619759), (473, 417977), (497, 397793), (781, 253141), (841, 235081), (1247, 158543), (2059, 96019), (2233, 88537), (3053, 64757), (3311, 59711), (5467, 36163), (5887, 33583), (8729, 22649), (9251, 21371), (13717, 14413)]