129177715

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1\times {\mathrm{877}}^1$

素因数の和:1302

約数の個数: 16

約数和(自身を含む): 157407840

約数和(自身を除く): 28230125

約数列:

[1, 5, 89, 331, 445, 877, 1655, 4385, 29459, 78053, 147295, 290287, 390265, 1451435, 25835543, 129177715]

約数ペア:

[(1, 129177715), (5, 25835543), (89, 1451435), (331, 390265), (445, 290287), (877, 147295), (1655, 78053), (4385, 29459)]