28113701

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 36536544

約数和(自身を除く): 8422843

約数列:

[1, 7, 11, 43, 49, 77, 301, 473, 539, 1213, 2107, 3311, 8491, 13343, 23177, 52159, 59437, 93401, 365113, 573749, 653807, 2555791, 4016243, 28113701]

約数ペア:

[(1, 28113701), (7, 4016243), (11, 2555791), (43, 653807), (49, 573749), (77, 365113), (301, 93401), (473, 59437), (539, 52159), (1213, 23177), (2107, 13343), (3311, 8491)]