28702135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{74551}}^1$

素因数の和:74574

約数の個数: 16

約数和(自身を含む): 42941952

約数和(自身を除く): 14239817

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 74551, 372755, 521857, 820061, 2609285, 4100305, 5740427, 28702135]

約数ペア:

[(1, 28702135), (5, 5740427), (7, 4100305), (11, 2609285), (35, 820061), (55, 521857), (77, 372755), (385, 74551)]