201390256921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{29090027}}^1$

素因数の和:29090100

約数の個数: 16

約数和(自身を含む): 245752556544

約数和(自身を除く): 44362299623

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 29090027, 203630189, 669070621, 1250871161, 4683494347, 8756098127, 28770036703, 201390256921]

約数ペア:

[(1, 201390256921), (7, 28770036703), (23, 8756098127), (43, 4683494347), (161, 1250871161), (301, 669070621), (989, 203630189), (6923, 29090027)]