12690995

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:430

約数の個数: 16

約数和(自身を含む): 15579648

約数和(自身を除く): 2888653

約数列:

[1, 5, 97, 137, 191, 485, 685, 955, 13289, 18527, 26167, 66445, 92635, 130835, 2538199, 12690995]

約数ペア:

[(1, 12690995), (5, 2538199), (97, 130835), (137, 92635), (191, 66445), (485, 26167), (685, 18527), (955, 13289)]