28142978

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{2281}}^1$

素因数の和:2513

約数の個数: 16

約数和(自身を含む): 43814400

約数和(自身を除く): 15671422

約数列:

[1, 2, 31, 62, 199, 398, 2281, 4562, 6169, 12338, 70711, 141422, 453919, 907838, 14071489, 28142978]

約数ペア:

[(1, 28142978), (2, 14071489), (31, 907838), (62, 453919), (199, 141422), (398, 70711), (2281, 12338), (4562, 6169)]