165168425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3907}}^1$

素因数の和:4025

約数の個数: 24

約数和(自身を含む): 218066400

約数和(自身を除く): 52897975

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 1691, 2225, 3907, 8455, 19535, 42275, 74233, 97675, 347723, 371165, 1738615, 1855825, 6606737, 8693075, 33033685, 165168425]

約数ペア:

[(1, 165168425), (5, 33033685), (19, 8693075), (25, 6606737), (89, 1855825), (95, 1738615), (445, 371165), (475, 347723), (1691, 97675), (2225, 74233), (3907, 42275), (8455, 19535)]