128056523

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{191}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 157071360

約数和(自身を除く): 29014837

約数列:

[1, 7, 19, 71, 133, 191, 497, 1337, 1349, 3629, 5041, 9443, 13561, 25403, 35287, 94927, 95779, 257659, 670453, 962831, 1803613, 6739817, 18293789, 128056523]

約数ペア:

[(1, 128056523), (7, 18293789), (19, 6739817), (71, 1803613), (133, 962831), (191, 670453), (497, 257659), (1337, 95779), (1349, 94927), (3629, 35287), (5041, 25403), (9443, 13561)]