12781888

素因数分解:

$2^6\times 7^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:399

約数の個数: 56

約数和(自身を含む): 29374592

約数和(自身を除く): 16592704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 206, 224, 277, 412, 448, 554, 721, 824, 1108, 1442, 1648, 1939, 2216, 2884, 3296, 3878, 4432, 5768, 6592, 7756, 8864, 11536, 15512, 17728, 23072, 28531, 31024, 46144, 57062, 62048, 114124, 124096, 199717, 228248, 399434, 456496, 798868, 912992, 1597736, 1825984, 3195472, 6390944, 12781888]

約数ペア:

[(1, 12781888), (2, 6390944), (4, 3195472), (7, 1825984), (8, 1597736), (14, 912992), (16, 798868), (28, 456496), (32, 399434), (56, 228248), (64, 199717), (103, 124096), (112, 114124), (206, 62048), (224, 57062), (277, 46144), (412, 31024), (448, 28531), (554, 23072), (721, 17728), (824, 15512), (1108, 11536), (1442, 8864), (1648, 7756), (1939, 6592), (2216, 5768), (2884, 4432), (3296, 3878)]