201978524

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{417311}}^1$

素因数の和:417337

約数の個数: 18

約数和(自身を含む): 388517472

約数和(自身を除く): 186538948

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 417311, 834622, 1669244, 4590421, 9180842, 18361684, 50494631, 100989262, 201978524]

約数ペア:

[(1, 201978524), (2, 100989262), (4, 50494631), (11, 18361684), (22, 9180842), (44, 4590421), (121, 1669244), (242, 834622), (484, 417311)]