1289788364

素因数分解:

$2^2\times {\mathrm{599}}^1\times {\mathrm{538309}}^1$

素因数の和:538912

約数の個数: 12

約数和(自身を含む): 2260902000

約数和(自身を除く): 971113636

約数列:

[1, 2, 4, 599, 1198, 2396, 538309, 1076618, 2153236, 322447091, 644894182, 1289788364]

約数ペア:

[(1, 1289788364), (2, 644894182), (4, 322447091), (599, 2153236), (1198, 1076618), (2396, 538309)]