28172032

素因数分解:

$2^8\times 7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 65408000

約数和(自身を除く): 37235968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 199, 224, 256, 316, 398, 448, 553, 632, 796, 896, 1106, 1264, 1393, 1592, 1792, 2212, 2528, 2786, 3184, 4424, 5056, 5572, 6368, 8848, 10112, 11144, 12736, 15721, 17696, 20224, 22288, 25472, 31442, 35392, 44576, 50944, 62884, 70784, 89152, 110047, 125768, 141568, 178304, 220094, 251536, 356608, 440188, 503072, 880376, 1006144, 1760752, 2012288, 3521504, 4024576, 7043008, 14086016, 28172032]

約数ペア:

[(1, 28172032), (2, 14086016), (4, 7043008), (7, 4024576), (8, 3521504), (14, 2012288), (16, 1760752), (28, 1006144), (32, 880376), (56, 503072), (64, 440188), (79, 356608), (112, 251536), (128, 220094), (158, 178304), (199, 141568), (224, 125768), (256, 110047), (316, 89152), (398, 70784), (448, 62884), (553, 50944), (632, 44576), (796, 35392), (896, 31442), (1106, 25472), (1264, 22288), (1393, 20224), (1592, 17696), (1792, 15721), (2212, 12736), (2528, 11144), (2786, 10112), (3184, 8848), (4424, 6368), (5056, 5572)]