28706321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2137}}^1$

素因数の和:2264

約数の個数: 16

約数和(自身を含む): 34892160

約数和(自身を除く): 6185839

約数列:

[1, 7, 19, 101, 133, 707, 1919, 2137, 13433, 14959, 40603, 215837, 284221, 1510859, 4100903, 28706321]

約数ペア:

[(1, 28706321), (7, 4100903), (19, 1510859), (101, 284221), (133, 215837), (707, 40603), (1919, 14959), (2137, 13433)]