1997199043

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{1559}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 2438092800

約数和(自身を除く): 440893757

約数列:

[1, 7, 23, 73, 109, 161, 511, 763, 1559, 1679, 2507, 7957, 10913, 11753, 17549, 35857, 55699, 113807, 169931, 183011, 250999, 796649, 1189517, 1281077, 2617561, 3908413, 12404963, 18322927, 27358891, 86834741, 285314149, 1997199043]

約数ペア:

[(1, 1997199043), (7, 285314149), (23, 86834741), (73, 27358891), (109, 18322927), (161, 12404963), (511, 3908413), (763, 2617561), (1559, 1281077), (1679, 1189517), (2507, 796649), (7957, 250999), (10913, 183011), (11753, 169931), (17549, 113807), (35857, 55699)]