28747712

素因数分解:

$2^6\times 7^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 84

約数和(自身を含む): 67757040

約数和(自身を除く): 39009328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 89, 98, 103, 112, 178, 196, 206, 224, 356, 392, 412, 448, 623, 712, 721, 784, 824, 1246, 1424, 1442, 1568, 1648, 2492, 2848, 2884, 3136, 3296, 4361, 4984, 5047, 5696, 5768, 6592, 8722, 9167, 9968, 10094, 11536, 17444, 18334, 19936, 20188, 23072, 34888, 36668, 39872, 40376, 46144, 64169, 69776, 73336, 80752, 128338, 139552, 146672, 161504, 256676, 279104, 293344, 323008, 449183, 513352, 586688, 898366, 1026704, 1796732, 2053408, 3593464, 4106816, 7186928, 14373856, 28747712]

約数ペア:

[(1, 28747712), (2, 14373856), (4, 7186928), (7, 4106816), (8, 3593464), (14, 2053408), (16, 1796732), (28, 1026704), (32, 898366), (49, 586688), (56, 513352), (64, 449183), (89, 323008), (98, 293344), (103, 279104), (112, 256676), (178, 161504), (196, 146672), (206, 139552), (224, 128338), (356, 80752), (392, 73336), (412, 69776), (448, 64169), (623, 46144), (712, 40376), (721, 39872), (784, 36668), (824, 34888), (1246, 23072), (1424, 20188), (1442, 19936), (1568, 18334), (1648, 17444), (2492, 11536), (2848, 10094), (2884, 9968), (3136, 9167), (3296, 8722), (4361, 6592), (4984, 5768), (5047, 5696)]