28513914

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 67737600

約数和(自身を除く): 39223686

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 167, 199, 286, 334, 398, 429, 501, 597, 858, 1002, 1194, 1837, 2171, 2189, 2587, 3674, 4342, 4378, 5174, 5511, 6513, 6567, 7761, 11022, 13026, 13134, 15522, 23881, 28457, 33233, 47762, 56914, 66466, 71643, 85371, 99699, 143286, 170742, 199398, 365563, 432029, 731126, 864058, 1096689, 1296087, 2193378, 2592174, 4752319, 9504638, 14256957, 28513914]

約数ペア:

[(1, 28513914), (2, 14256957), (3, 9504638), (6, 4752319), (11, 2592174), (13, 2193378), (22, 1296087), (26, 1096689), (33, 864058), (39, 731126), (66, 432029), (78, 365563), (143, 199398), (167, 170742), (199, 143286), (286, 99699), (334, 85371), (398, 71643), (429, 66466), (501, 56914), (597, 47762), (858, 33233), (1002, 28457), (1194, 23881), (1837, 15522), (2171, 13134), (2189, 13026), (2587, 11022), (3674, 7761), (4342, 6567), (4378, 6513), (5174, 5511)]