820042078

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{142319}}^1$

素因数の和:142431

約数の個数: 16

約数和(自身を含む): 1277464320

約数和(自身を除く): 457422242

約数列:

[1, 2, 43, 67, 86, 134, 2881, 5762, 142319, 284638, 6119717, 9535373, 12239434, 19070746, 410021039, 820042078]

約数ペア:

[(1, 820042078), (2, 410021039), (43, 19070746), (67, 12239434), (86, 9535373), (134, 6119717), (2881, 284638), (5762, 142319)]