388777728

素因数分解:

$2^8\times 3^1\times {\mathrm{491}}^1\times {\mathrm{1031}}^1$

素因数の和:1541

約数の個数: 72

約数和(自身を含む): 1037828736

約数和(自身を除く): 649051008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 491, 768, 982, 1031, 1473, 1964, 2062, 2946, 3093, 3928, 4124, 5892, 6186, 7856, 8248, 11784, 12372, 15712, 16496, 23568, 24744, 31424, 32992, 47136, 49488, 62848, 65984, 94272, 98976, 125696, 131968, 188544, 197952, 263936, 377088, 395904, 506221, 791808, 1012442, 1518663, 2024884, 3037326, 4049768, 6074652, 8099536, 12149304, 16199072, 24298608, 32398144, 48597216, 64796288, 97194432, 129592576, 194388864, 388777728]

約数ペア:

[(1, 388777728), (2, 194388864), (3, 129592576), (4, 97194432), (6, 64796288), (8, 48597216), (12, 32398144), (16, 24298608), (24, 16199072), (32, 12149304), (48, 8099536), (64, 6074652), (96, 4049768), (128, 3037326), (192, 2024884), (256, 1518663), (384, 1012442), (491, 791808), (768, 506221), (982, 395904), (1031, 377088), (1473, 263936), (1964, 197952), (2062, 188544), (2946, 131968), (3093, 125696), (3928, 98976), (4124, 94272), (5892, 65984), (6186, 62848), (7856, 49488), (8248, 47136), (11784, 32992), (12372, 31424), (15712, 24744), (16496, 23568)]