156919217

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1361}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 197811432

約数和(自身を除く): 40892215

約数列:

[1, 7, 13, 49, 91, 181, 637, 1267, 1361, 2353, 8869, 9527, 16471, 17693, 66689, 115297, 123851, 246341, 866957, 1724387, 3202433, 12070709, 22417031, 156919217]

約数ペア:

[(1, 156919217), (7, 22417031), (13, 12070709), (49, 3202433), (91, 1724387), (181, 866957), (637, 246341), (1267, 123851), (1361, 115297), (2353, 66689), (8869, 17693), (9527, 16471)]