28978432

素因数分解:

$2^8\times 7^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 67174016

約数和(自身を除く): 38195584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 157, 206, 224, 256, 314, 412, 448, 628, 721, 824, 896, 1099, 1256, 1442, 1648, 1792, 2198, 2512, 2884, 3296, 4396, 5024, 5768, 6592, 8792, 10048, 11536, 13184, 16171, 17584, 20096, 23072, 26368, 32342, 35168, 40192, 46144, 64684, 70336, 92288, 113197, 129368, 140672, 184576, 226394, 258736, 281344, 452788, 517472, 905576, 1034944, 1811152, 2069888, 3622304, 4139776, 7244608, 14489216, 28978432]

約数ペア:

[(1, 28978432), (2, 14489216), (4, 7244608), (7, 4139776), (8, 3622304), (14, 2069888), (16, 1811152), (28, 1034944), (32, 905576), (56, 517472), (64, 452788), (103, 281344), (112, 258736), (128, 226394), (157, 184576), (206, 140672), (224, 129368), (256, 113197), (314, 92288), (412, 70336), (448, 64684), (628, 46144), (721, 40192), (824, 35168), (896, 32342), (1099, 26368), (1256, 23072), (1442, 20096), (1648, 17584), (1792, 16171), (2198, 13184), (2512, 11536), (2884, 10048), (3296, 8792), (4396, 6592), (5024, 5768)]