31313414

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20047}}^1$

素因数の和:20131

約数の個数: 16

約数和(自身を含む): 51964416

約数和(自身を除く): 20651002

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 20047, 40094, 220517, 441034, 1423337, 2846674, 15656707, 31313414]

約数ペア:

[(1, 31313414), (2, 15656707), (11, 2846674), (22, 1423337), (71, 441034), (142, 220517), (781, 40094), (1562, 20047)]