12812989

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 15304576

約数和(自身を除く): 2491587

約数列:

[1, 7, 37, 61, 259, 427, 811, 2257, 5677, 15799, 30007, 49471, 210049, 346297, 1830427, 12812989]

約数ペア:

[(1, 12812989), (7, 1830427), (37, 346297), (61, 210049), (259, 49471), (427, 30007), (811, 15799), (2257, 5677)]