15889916

素因数分解:

$2^2\times 7^2\times {\mathrm{81071}}^1$

素因数の和:81089

約数の個数: 18

約数和(自身を含む): 32347728

約数和(自身を除く): 16457812

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 81071, 162142, 324284, 567497, 1134994, 2269988, 3972479, 7944958, 15889916]

約数ペア:

[(1, 15889916), (2, 7944958), (4, 3972479), (7, 2269988), (14, 1134994), (28, 567497), (49, 324284), (98, 162142), (196, 81071)]