1397765390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{298031}}^1$

素因数の和:298112

約数の個数: 32

約数和(自身を含む): 2918329344

約数和(自身を除く): 1520563954

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4690, 298031, 596062, 1490155, 2086217, 2980310, 4172434, 10431085, 19968077, 20862170, 39936154, 99840385, 139776539, 199680770, 279553078, 698882695, 1397765390]

約数ペア:

[(1, 1397765390), (2, 698882695), (5, 279553078), (7, 199680770), (10, 139776539), (14, 99840385), (35, 39936154), (67, 20862170), (70, 19968077), (134, 10431085), (335, 4172434), (469, 2980310), (670, 2086217), (938, 1490155), (2345, 596062), (4690, 298031)]