256215982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{190921}}^1$

素因数の和:190995

約数の個数: 16

約数和(自身を含む): 426137904

約数和(自身を除く): 169921922

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 190921, 381842, 2100131, 4200262, 11646181, 23292362, 128107991, 256215982]

約数ペア:

[(1, 256215982), (2, 128107991), (11, 23292362), (22, 11646181), (61, 4200262), (122, 2100131), (671, 381842), (1342, 190921)]