28754803

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 38265696

約数和(自身を除く): 9510893

約数列:

[1, 7, 11, 17, 77, 119, 121, 187, 847, 1309, 1997, 2057, 13979, 14399, 21967, 33949, 153769, 237643, 241637, 373439, 1691459, 2614073, 4107829, 28754803]

約数ペア:

[(1, 28754803), (7, 4107829), (11, 2614073), (17, 1691459), (77, 373439), (119, 241637), (121, 237643), (187, 153769), (847, 33949), (1309, 21967), (1997, 14399), (2057, 13979)]