28754705

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6469}}^1$

素因数の和:6608

約数の個数: 16

約数和(自身を含む): 39751680

約数和(自身を除く): 10996975

約数列:

[1, 5, 7, 35, 127, 635, 889, 4445, 6469, 32345, 45283, 226415, 821563, 4107815, 5750941, 28754705]

約数ペア:

[(1, 28754705), (5, 5750941), (7, 4107815), (35, 821563), (127, 226415), (635, 45283), (889, 32345), (4445, 6469)]