312200291

素因数分解:

${\mathrm{13}}^4\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:712

約数の個数: 20

約数和(自身を含む): 358668072

約数和(自身を除く): 46467781

約数列:

[1, 13, 17, 169, 221, 643, 2197, 2873, 8359, 10931, 28561, 37349, 108667, 142103, 485537, 1412671, 1847339, 18364723, 24015407, 312200291]

約数ペア:

[(1, 312200291), (13, 24015407), (17, 18364723), (169, 1847339), (221, 1412671), (643, 485537), (2197, 142103), (2873, 108667), (8359, 37349), (10931, 28561)]