231603905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 330946560

約数和(自身を除く): 99342655

約数列:

[1, 5, 13, 23, 37, 53, 65, 79, 115, 185, 265, 299, 395, 481, 689, 851, 1027, 1219, 1495, 1817, 1961, 2405, 2923, 3445, 4187, 4255, 5135, 6095, 9085, 9805, 11063, 14615, 15847, 20935, 23621, 25493, 37999, 45103, 54431, 55315, 67229, 79235, 96301, 118105, 127465, 154919, 189995, 225515, 272155, 336145, 481505, 586339, 774595, 873977, 1251913, 2013947, 2931695, 3563137, 4369885, 6259565, 10069735, 17815685, 46320781, 231603905]

約数ペア:

[(1, 231603905), (5, 46320781), (13, 17815685), (23, 10069735), (37, 6259565), (53, 4369885), (65, 3563137), (79, 2931695), (115, 2013947), (185, 1251913), (265, 873977), (299, 774595), (395, 586339), (481, 481505), (689, 336145), (851, 272155), (1027, 225515), (1219, 189995), (1495, 154919), (1817, 127465), (1961, 118105), (2405, 96301), (2923, 79235), (3445, 67229), (4187, 55315), (4255, 54431), (5135, 45103), (6095, 37999), (9085, 25493), (9805, 23621), (11063, 20935), (14615, 15847)]