28026383

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 36

約数和(自身を含む): 37298520

約数和(自身を除く): 9272137

約数列:

[1, 7, 11, 29, 49, 77, 121, 163, 203, 319, 539, 847, 1141, 1421, 1793, 2233, 3509, 4727, 5929, 7987, 12551, 15631, 19723, 24563, 33089, 51997, 87857, 138061, 171941, 231623, 363979, 571967, 966427, 2547853, 4003769, 28026383]

約数ペア:

[(1, 28026383), (7, 4003769), (11, 2547853), (29, 966427), (49, 571967), (77, 363979), (121, 231623), (163, 171941), (203, 138061), (319, 87857), (539, 51997), (847, 33089), (1141, 24563), (1421, 19723), (1793, 15631), (2233, 12551), (3509, 7987), (4727, 5929)]