201057956

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{415409}}^1$

素因数の和:415435

約数の個数: 18

約数和(自身を含む): 386746710

約数和(自身を除く): 185688754

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 415409, 830818, 1661636, 4569499, 9138998, 18277996, 50264489, 100528978, 201057956]

約数ペア:

[(1, 201057956), (2, 100528978), (4, 50264489), (11, 18277996), (22, 9138998), (44, 4569499), (121, 1661636), (242, 830818), (484, 415409)]