201969812

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{417293}}^1$

素因数の和:417319

約数の個数: 18

約数和(自身を含む): 388500714

約数和(自身を除く): 186530902

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 417293, 834586, 1669172, 4590223, 9180446, 18360892, 50492453, 100984906, 201969812]

約数ペア:

[(1, 201969812), (2, 100984906), (4, 50492453), (11, 18360892), (22, 9180446), (44, 4590223), (121, 1669172), (242, 834586), (484, 417293)]