1397451776

素因数分解:

$2^{10}\times 7^2\times {\mathrm{27851}}^1$

素因数の和:27885

約数の個数: 66

約数和(自身を含む): 3249743508

約数和(自身を除く): 1852291732

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 3136, 3584, 6272, 7168, 12544, 25088, 27851, 50176, 55702, 111404, 194957, 222808, 389914, 445616, 779828, 891232, 1364699, 1559656, 1782464, 2729398, 3119312, 3564928, 5458796, 6238624, 7129856, 10917592, 12477248, 14259712, 21835184, 24954496, 28519424, 43670368, 49908992, 87340736, 99817984, 174681472, 199635968, 349362944, 698725888, 1397451776]

約数ペア:

[(1, 1397451776), (2, 698725888), (4, 349362944), (7, 199635968), (8, 174681472), (14, 99817984), (16, 87340736), (28, 49908992), (32, 43670368), (49, 28519424), (56, 24954496), (64, 21835184), (98, 14259712), (112, 12477248), (128, 10917592), (196, 7129856), (224, 6238624), (256, 5458796), (392, 3564928), (448, 3119312), (512, 2729398), (784, 1782464), (896, 1559656), (1024, 1364699), (1568, 891232), (1792, 779828), (3136, 445616), (3584, 389914), (6272, 222808), (7168, 194957), (12544, 111404), (25088, 55702), (27851, 50176)]