1991477642

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{16993}}^1$

素因数の和:17774

約数の個数: 32

約数和(自身を含む): 3729435264

約数和(自身を除く): 1737957622

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 761, 1522, 5327, 8371, 10654, 16742, 16993, 33986, 58597, 117194, 118951, 186923, 237902, 373846, 1308461, 2616922, 12931673, 25863346, 90521711, 142248403, 181043422, 284496806, 995738821, 1991477642]

約数ペア:

[(1, 1991477642), (2, 995738821), (7, 284496806), (11, 181043422), (14, 142248403), (22, 90521711), (77, 25863346), (154, 12931673), (761, 2616922), (1522, 1308461), (5327, 373846), (8371, 237902), (10654, 186923), (16742, 118951), (16993, 117194), (33986, 58597)]