28942958

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{601}}^1$

素因数の和:824

約数の個数: 24

約数和(自身を含む): 48039600

約数和(自身を除く): 19096642

約数列:

[1, 2, 11, 22, 121, 199, 242, 398, 601, 1202, 2189, 4378, 6611, 13222, 24079, 48158, 72721, 119599, 145442, 239198, 1315589, 2631178, 14471479, 28942958]

約数ペア:

[(1, 28942958), (2, 14471479), (11, 2631178), (22, 1315589), (121, 239198), (199, 145442), (242, 119599), (398, 72721), (601, 48158), (1202, 24079), (2189, 13222), (4378, 6611)]