2028425

素因数分解:

$5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 2934336

約数和(自身を除く): 905911

約数列:

[1, 5, 7, 25, 35, 67, 173, 175, 335, 469, 865, 1211, 1675, 2345, 4325, 6055, 11591, 11725, 30275, 57955, 81137, 289775, 405685, 2028425]

約数ペア:

[(1, 2028425), (5, 405685), (7, 289775), (25, 81137), (35, 57955), (67, 30275), (173, 11725), (175, 11591), (335, 6055), (469, 4325), (865, 2345), (1211, 1675)]