28611989

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1811}}^1$

素因数の和:1916

約数の個数: 16

約数和(自身を含む): 34152576

約数和(自身を除く): 5540587

約数列:

[1, 7, 37, 61, 259, 427, 1811, 2257, 12677, 15799, 67007, 110471, 469049, 773297, 4087427, 28611989]

約数ペア:

[(1, 28611989), (7, 4087427), (37, 773297), (61, 469049), (259, 110471), (427, 67007), (1811, 15799), (2257, 12677)]