81611264

素因数分解:

$2^9\times 7^2\times {\mathrm{3253}}^1$

素因数の和:3285

約数の個数: 60

約数和(自身を含む): 189743994

約数和(自身を除く): 108132730

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, 1568, 1792, 3136, 3253, 3584, 6272, 6506, 12544, 13012, 22771, 25088, 26024, 45542, 52048, 91084, 104096, 159397, 182168, 208192, 318794, 364336, 416384, 637588, 728672, 832768, 1275176, 1457344, 1665536, 2550352, 2914688, 5100704, 5829376, 10201408, 11658752, 20402816, 40805632, 81611264]

約数ペア:

[(1, 81611264), (2, 40805632), (4, 20402816), (7, 11658752), (8, 10201408), (14, 5829376), (16, 5100704), (28, 2914688), (32, 2550352), (49, 1665536), (56, 1457344), (64, 1275176), (98, 832768), (112, 728672), (128, 637588), (196, 416384), (224, 364336), (256, 318794), (392, 208192), (448, 182168), (512, 159397), (784, 104096), (896, 91084), (1568, 52048), (1792, 45542), (3136, 26024), (3253, 25088), (3584, 22771), (6272, 13012), (6506, 12544)]