208594804

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{430981}}^1$

素因数の和:431007

約数の個数: 18

約数和(自身を含む): 401244242

約数和(自身を除く): 192649438

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 430981, 861962, 1723924, 4740791, 9481582, 18963164, 52148701, 104297402, 208594804]

約数ペア:

[(1, 208594804), (2, 104297402), (4, 52148701), (11, 18963164), (22, 9481582), (44, 4740791), (121, 1723924), (242, 861962), (484, 430981)]