28757290

素因数分解:

$2^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{4273}}^1$

素因数の和:4953

約数の個数: 16

約数和(自身を含む): 51852168

約数和(自身を除く): 23094878

約数列:

[1, 2, 5, 10, 673, 1346, 3365, 4273, 6730, 8546, 21365, 42730, 2875729, 5751458, 14378645, 28757290]

約数ペア:

[(1, 28757290), (2, 14378645), (5, 5751458), (10, 2875729), (673, 42730), (1346, 21365), (3365, 8546), (4273, 6730)]