17191993

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 21804552

約数和(自身を除く): 4612559

約数列:

[1, 7, 13, 49, 91, 137, 197, 637, 959, 1379, 1781, 2561, 6713, 9653, 12467, 17927, 26989, 87269, 125489, 188923, 350857, 1322461, 2455999, 17191993]

約数ペア:

[(1, 17191993), (7, 2455999), (13, 1322461), (49, 350857), (91, 188923), (137, 125489), (197, 87269), (637, 26989), (959, 17927), (1379, 12467), (1781, 9653), (2561, 6713)]