28727242

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{811}}^1$

素因数の和:1101

約数の個数: 16

約数和(自身を含む): 43848000

約数和(自身を除く): 15120758

約数列:

[1, 2, 89, 178, 199, 398, 811, 1622, 17711, 35422, 72179, 144358, 161389, 322778, 14363621, 28727242]

約数ペア:

[(1, 28727242), (2, 14363621), (89, 322778), (178, 161389), (199, 144358), (398, 72179), (811, 35422), (1622, 17711)]