28213781

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 30466800

約数和(自身を除く): 2253019

約数列:

[1, 29, 41, 61, 389, 1189, 1769, 2501, 11281, 15949, 23729, 72529, 462521, 688141, 972889, 28213781]

約数ペア:

[(1, 28213781), (29, 972889), (41, 688141), (61, 462521), (389, 72529), (1189, 23729), (1769, 15949), (2501, 11281)]