81234944

素因数分解:

$2^{10}\times 7^2\times {\mathrm{1619}}^1$

素因数の和:1653

約数の個数: 66

約数和(自身を含む): 189019980

約数和(自身を除く): 107785036

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, 1619, 1792, 3136, 3238, 3584, 6272, 6476, 7168, 11333, 12544, 12952, 22666, 25088, 25904, 45332, 50176, 51808, 79331, 90664, 103616, 158662, 181328, 207232, 317324, 362656, 414464, 634648, 725312, 828928, 1269296, 1450624, 1657856, 2538592, 2901248, 5077184, 5802496, 10154368, 11604992, 20308736, 40617472, 81234944]

約数ペア:

[(1, 81234944), (2, 40617472), (4, 20308736), (7, 11604992), (8, 10154368), (14, 5802496), (16, 5077184), (28, 2901248), (32, 2538592), (49, 1657856), (56, 1450624), (64, 1269296), (98, 828928), (112, 725312), (128, 634648), (196, 414464), (224, 362656), (256, 317324), (392, 207232), (448, 181328), (512, 158662), (784, 103616), (896, 90664), (1024, 79331), (1568, 51808), (1619, 50176), (1792, 45332), (3136, 25904), (3238, 25088), (3584, 22666), (6272, 12952), (6476, 12544), (7168, 11333)]