12719825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^2$

素因数の和:373

約数の個数: 18

約数和(自身を含む): 16797474

約数和(自身を除く): 4077649

約数列:

[1, 5, 17, 25, 85, 173, 425, 865, 2941, 4325, 14705, 29929, 73525, 149645, 508793, 748225, 2543965, 12719825]

約数ペア:

[(1, 12719825), (5, 2543965), (17, 748225), (25, 508793), (85, 149645), (173, 73525), (425, 29929), (865, 14705), (2941, 4325)]