131305930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{27997}}^1$

素因数の和:28078

約数の個数: 32

約数和(自身を含む): 274156416

約数和(自身を除く): 142850486

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4690, 27997, 55994, 139985, 195979, 279970, 391958, 979895, 1875799, 1959790, 3751598, 9378995, 13130593, 18757990, 26261186, 65652965, 131305930]

約数ペア:

[(1, 131305930), (2, 65652965), (5, 26261186), (7, 18757990), (10, 13130593), (14, 9378995), (35, 3751598), (67, 1959790), (70, 1875799), (134, 979895), (335, 391958), (469, 279970), (670, 195979), (938, 139985), (2345, 55994), (4690, 27997)]