28140728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4153}}^1$

素因数の和:4188

約数の個数: 48

約数和(自身を含む): 66297840

約数和(自身を除く): 38157112

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3388, 4153, 6776, 8306, 16612, 29071, 33224, 45683, 58142, 91366, 116284, 182732, 232568, 319781, 365464, 502513, 639562, 1005026, 1279124, 2010052, 2558248, 3517591, 4020104, 7035182, 14070364, 28140728]

約数ペア:

[(1, 28140728), (2, 14070364), (4, 7035182), (7, 4020104), (8, 3517591), (11, 2558248), (14, 2010052), (22, 1279124), (28, 1005026), (44, 639562), (56, 502513), (77, 365464), (88, 319781), (121, 232568), (154, 182732), (242, 116284), (308, 91366), (484, 58142), (616, 45683), (847, 33224), (968, 29071), (1694, 16612), (3388, 8306), (4153, 6776)]