71980409

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 77987712

約数和(自身を除く): 6007303

約数列:

[1, 23, 43, 73, 989, 997, 1679, 3139, 22931, 42871, 72197, 72781, 986033, 1673963, 3129583, 71980409]

約数ペア:

[(1, 71980409), (23, 3129583), (43, 1673963), (73, 986033), (989, 72781), (997, 72197), (1679, 42871), (3139, 22931)]