128758572

素因数分解:

$2^2\times 3^4\times {\mathrm{199}}^1\times {\mathrm{1997}}^1$

素因数の和:2212

約数の個数: 60

約数和(自身を含む): 338461200

約数和(自身を除く): 209702628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 199, 324, 398, 597, 796, 1194, 1791, 1997, 2388, 3582, 3994, 5373, 5991, 7164, 7988, 10746, 11982, 16119, 17973, 21492, 23964, 32238, 35946, 53919, 64476, 71892, 107838, 161757, 215676, 323514, 397403, 647028, 794806, 1192209, 1589612, 2384418, 3576627, 4768836, 7153254, 10729881, 14306508, 21459762, 32189643, 42919524, 64379286, 128758572]

約数ペア:

[(1, 128758572), (2, 64379286), (3, 42919524), (4, 32189643), (6, 21459762), (9, 14306508), (12, 10729881), (18, 7153254), (27, 4768836), (36, 3576627), (54, 2384418), (81, 1589612), (108, 1192209), (162, 794806), (199, 647028), (324, 397403), (398, 323514), (597, 215676), (796, 161757), (1194, 107838), (1791, 71892), (1997, 64476), (2388, 53919), (3582, 35946), (3994, 32238), (5373, 23964), (5991, 21492), (7164, 17973), (7988, 16119), (10746, 11982)]