138537215

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1\times {\mathrm{653}}^1$

素因数の和:1090

約数の個数: 16

約数和(自身を含む): 168198336

約数和(自身を除く): 29661121

約数列:

[1, 5, 151, 281, 653, 755, 1405, 3265, 42431, 98603, 183493, 212155, 493015, 917465, 27707443, 138537215]

約数ペア:

[(1, 138537215), (5, 27707443), (151, 917465), (281, 493015), (653, 212155), (755, 183493), (1405, 98603), (3265, 42431)]