2643428

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 4855032

約数和(自身を除く): 2211604

約数列:

[1, 2, 4, 37, 53, 74, 106, 148, 212, 337, 674, 1348, 1961, 3922, 7844, 12469, 17861, 24938, 35722, 49876, 71444, 660857, 1321714, 2643428]

約数ペア:

[(1, 2643428), (2, 1321714), (4, 660857), (37, 71444), (53, 49876), (74, 35722), (106, 24938), (148, 17861), (212, 12469), (337, 7844), (674, 3922), (1348, 1961)]