261944816

素因数分解:

$2^4\times 7^1\times {\mathrm{1163}}^1\times {\mathrm{2011}}^1$

素因数の和:3189

約数の個数: 40

約数和(自身を含む): 580808064

約数和(自身を除く): 318863248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1163, 2011, 2326, 4022, 4652, 8044, 8141, 9304, 14077, 16088, 16282, 18608, 28154, 32176, 32564, 56308, 65128, 112616, 130256, 225232, 2338793, 4677586, 9355172, 16371551, 18710344, 32743102, 37420688, 65486204, 130972408, 261944816]

約数ペア:

[(1, 261944816), (2, 130972408), (4, 65486204), (7, 37420688), (8, 32743102), (14, 18710344), (16, 16371551), (28, 9355172), (56, 4677586), (112, 2338793), (1163, 225232), (2011, 130256), (2326, 112616), (4022, 65128), (4652, 56308), (8044, 32564), (8141, 32176), (9304, 28154), (14077, 18608), (16088, 16282)]