201540988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{416407}}^1$

素因数の和:416433

約数の個数: 18

約数和(自身を含む): 387675848

約数和(自身を除く): 186134860

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 416407, 832814, 1665628, 4580477, 9160954, 18321908, 50385247, 100770494, 201540988]

約数ペア:

[(1, 201540988), (2, 100770494), (4, 50385247), (11, 18321908), (22, 9160954), (44, 4580477), (121, 1665628), (242, 832814), (484, 416407)]