25124344

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^2\times {\mathrm{89}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 55220400

約数和(自身を除く): 30096056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 89, 142, 178, 284, 356, 497, 568, 623, 712, 994, 1246, 1988, 2492, 3976, 4984, 5041, 6319, 10082, 12638, 20164, 25276, 35287, 40328, 44233, 50552, 70574, 88466, 141148, 176932, 282296, 353864, 448649, 897298, 1794596, 3140543, 3589192, 6281086, 12562172, 25124344]

約数ペア:

[(1, 25124344), (2, 12562172), (4, 6281086), (7, 3589192), (8, 3140543), (14, 1794596), (28, 897298), (56, 448649), (71, 353864), (89, 282296), (142, 176932), (178, 141148), (284, 88466), (356, 70574), (497, 50552), (568, 44233), (623, 40328), (712, 35287), (994, 25276), (1246, 20164), (1988, 12638), (2492, 10082), (3976, 6319), (4984, 5041)]