218957312

素因数分解:

$2^9\times 7^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:531

約数の個数: 80

約数和(自身を含む): 504134400

約数和(自身を除く): 285177088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 199, 224, 256, 307, 398, 448, 512, 614, 796, 896, 1228, 1393, 1592, 1792, 2149, 2456, 2786, 3184, 3584, 4298, 4912, 5572, 6368, 8596, 9824, 11144, 12736, 17192, 19648, 22288, 25472, 34384, 39296, 44576, 50944, 61093, 68768, 78592, 89152, 101888, 122186, 137536, 157184, 178304, 244372, 275072, 356608, 427651, 488744, 550144, 713216, 855302, 977488, 1100288, 1710604, 1954976, 3421208, 3909952, 6842416, 7819904, 13684832, 15639808, 27369664, 31279616, 54739328, 109478656, 218957312]

約数ペア:

[(1, 218957312), (2, 109478656), (4, 54739328), (7, 31279616), (8, 27369664), (14, 15639808), (16, 13684832), (28, 7819904), (32, 6842416), (56, 3909952), (64, 3421208), (112, 1954976), (128, 1710604), (199, 1100288), (224, 977488), (256, 855302), (307, 713216), (398, 550144), (448, 488744), (512, 427651), (614, 356608), (796, 275072), (896, 244372), (1228, 178304), (1393, 157184), (1592, 137536), (1792, 122186), (2149, 101888), (2456, 89152), (2786, 78592), (3184, 68768), (3584, 61093), (4298, 50944), (4912, 44576), (5572, 39296), (6368, 34384), (8596, 25472), (9824, 22288), (11144, 19648), (12736, 17192)]