128663981

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{857}}^1$

素因数の和:1084

約数の個数: 16

約数和(自身を含む): 138378240

約数和(自身を除く): 9714259

約数列:

[1, 29, 31, 167, 857, 899, 4843, 5177, 24853, 26567, 143119, 150133, 770443, 4150451, 4436689, 128663981]

約数ペア:

[(1, 128663981), (29, 4436689), (31, 4150451), (167, 770443), (857, 150133), (899, 143119), (4843, 26567), (5177, 24853)]