13928525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2561

約数の個数: 24

約数和(自身を含む): 19701864

約数和(自身を除く): 5773339

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 2521, 5525, 12605, 32773, 42857, 63025, 163865, 214285, 557141, 819325, 1071425, 2785705, 13928525]

約数ペア:

[(1, 13928525), (5, 2785705), (13, 1071425), (17, 819325), (25, 557141), (65, 214285), (85, 163865), (221, 63025), (325, 42857), (425, 32773), (1105, 12605), (2521, 5525)]