128971276

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107119}}^1$

素因数の和:107173

約数の個数: 24

約数和(自身を含む): 263943680

約数和(自身を除く): 134972404

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 107119, 214238, 428476, 749833, 1499666, 2999332, 4606117, 9212234, 18424468, 32242819, 64485638, 128971276]

約数ペア:

[(1, 128971276), (2, 64485638), (4, 32242819), (7, 18424468), (14, 9212234), (28, 4606117), (43, 2999332), (86, 1499666), (172, 749833), (301, 428476), (602, 214238), (1204, 107119)]