31130456

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^2\times {\mathrm{661}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 69192240

約数和(自身を除く): 38061784

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 661, 812, 841, 1322, 1624, 1682, 2644, 3364, 4627, 5288, 5887, 6728, 9254, 11774, 18508, 19169, 23548, 37016, 38338, 47096, 76676, 134183, 153352, 268366, 536732, 555901, 1073464, 1111802, 2223604, 3891307, 4447208, 7782614, 15565228, 31130456]

約数ペア:

[(1, 31130456), (2, 15565228), (4, 7782614), (7, 4447208), (8, 3891307), (14, 2223604), (28, 1111802), (29, 1073464), (56, 555901), (58, 536732), (116, 268366), (203, 153352), (232, 134183), (406, 76676), (661, 47096), (812, 38338), (841, 37016), (1322, 23548), (1624, 19169), (1682, 18508), (2644, 11774), (3364, 9254), (4627, 6728), (5288, 5887)]