218520272

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{257689}}^1$

素因数の和:257750

約数の個数: 20

約数和(自身を含む): 431373060

約数和(自身を除く): 212852788

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 257689, 515378, 1030756, 2061512, 4123024, 13657517, 27315034, 54630068, 109260136, 218520272]

約数ペア:

[(1, 218520272), (2, 109260136), (4, 54630068), (8, 27315034), (16, 13657517), (53, 4123024), (106, 2061512), (212, 1030756), (424, 515378), (848, 257689)]