28589197

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1213}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 36813336

約数和(自身を除く): 8224139

約数列:

[1, 7, 13, 37, 49, 91, 259, 481, 637, 1213, 1813, 3367, 8491, 15769, 23569, 44881, 59437, 110383, 314167, 583453, 772681, 2199169, 4084171, 28589197]

約数ペア:

[(1, 28589197), (7, 4084171), (13, 2199169), (37, 772681), (49, 583453), (91, 314167), (259, 110383), (481, 59437), (637, 44881), (1213, 23569), (1813, 15769), (3367, 8491)]