802816

素因数分解:

$2^{14}\times 7^2$

素因数の和:42

約数の個数: 45

約数和(自身を含む): 1867719

約数和(自身を除く): 1064903

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, 2048, 3136, 3584, 4096, 6272, 7168, 8192, 12544, 14336, 16384, 25088, 28672, 50176, 57344, 100352, 114688, 200704, 401408, 802816]

約数ペア:

[(1, 802816), (2, 401408), (4, 200704), (7, 114688), (8, 100352), (14, 57344), (16, 50176), (28, 28672), (32, 25088), (49, 16384), (56, 14336), (64, 12544), (98, 8192), (112, 7168), (128, 6272), (196, 4096), (224, 3584), (256, 3136), (392, 2048), (448, 1792), (512, 1568), (784, 1024)]