28112876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8999}}^1$

素因数の和:9085

約数の個数: 24

約数和(自身を含む): 54432000

約数和(自身を除く): 26319124

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 8999, 17998, 35996, 98989, 197978, 395956, 638929, 1277858, 2555716, 7028219, 14056438, 28112876]

約数ペア:

[(1, 28112876), (2, 14056438), (4, 7028219), (11, 2555716), (22, 1277858), (44, 638929), (71, 395956), (142, 197978), (284, 98989), (781, 35996), (1562, 17998), (3124, 8999)]