28390681

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 32587200

約数和(自身を除く): 4196519

約数列:

[1, 11, 29, 61, 319, 671, 1459, 1769, 16049, 19459, 42311, 88999, 465421, 978989, 2580971, 28390681]

約数ペア:

[(1, 28390681), (11, 2580971), (29, 978989), (61, 465421), (319, 88999), (671, 42311), (1459, 19459), (1769, 16049)]