28265015

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 34636800

約数和(自身を除く): 6371785

約数列:

[1, 5, 79, 163, 395, 439, 815, 2195, 12877, 34681, 64385, 71557, 173405, 357785, 5653003, 28265015]

約数ペア:

[(1, 28265015), (5, 5653003), (79, 357785), (163, 173405), (395, 71557), (439, 64385), (815, 34681), (2195, 12877)]