199972661

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 250060800

約数和(自身を除く): 50088139

約数列:

[1, 7, 29, 31, 43, 203, 217, 301, 739, 899, 1247, 1333, 5173, 6293, 8729, 9331, 21431, 22909, 31777, 38657, 150017, 160363, 222439, 270599, 664361, 921533, 985087, 4650527, 6450731, 6895609, 28567523, 199972661]

約数ペア:

[(1, 199972661), (7, 28567523), (29, 6895609), (31, 6450731), (43, 4650527), (203, 985087), (217, 921533), (301, 664361), (739, 270599), (899, 222439), (1247, 160363), (1333, 150017), (5173, 38657), (6293, 31777), (8729, 22909), (9331, 21431)]