1397601215

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{1009}}^1\times {\mathrm{1993}}^1$

素因数の和:3146

約数の個数: 16

約数和(自身を含む): 1691709600

約数和(自身を除く): 294108385

約数列:

[1, 5, 139, 695, 1009, 1993, 5045, 9965, 140251, 277027, 701255, 1385135, 2010937, 10054685, 279520243, 1397601215]

約数ペア:

[(1, 1397601215), (5, 279520243), (139, 10054685), (695, 2010937), (1009, 1385135), (1993, 701255), (5045, 277027), (9965, 140251)]