131771612

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{247691}}^1$

素因数の和:247721

約数の個数: 24

約数和(自身を含む): 277415040

約数和(自身を除く): 145643428

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 247691, 495382, 990764, 1733837, 3467674, 4706129, 6935348, 9412258, 18824516, 32942903, 65885806, 131771612]

約数ペア:

[(1, 131771612), (2, 65885806), (4, 32942903), (7, 18824516), (14, 9412258), (19, 6935348), (28, 4706129), (38, 3467674), (76, 1733837), (133, 990764), (266, 495382), (532, 247691)]