201209905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{853}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 275466240

約数和(自身を除く): 74256335

約数列:

[1, 5, 13, 19, 65, 95, 191, 247, 853, 955, 1235, 2483, 3629, 4265, 11089, 12415, 16207, 18145, 47177, 55445, 81035, 162923, 210691, 235885, 814615, 1053455, 2117999, 3095537, 10589995, 15477685, 40241981, 201209905]

約数ペア:

[(1, 201209905), (5, 40241981), (13, 15477685), (19, 10589995), (65, 3095537), (95, 2117999), (191, 1053455), (247, 814615), (853, 235885), (955, 210691), (1235, 162923), (2483, 81035), (3629, 55445), (4265, 47177), (11089, 18145), (12415, 16207)]