1389356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 2598960

約数和(自身を除く): 1209604

約数列:

[1, 2, 4, 19, 38, 76, 101, 181, 202, 362, 404, 724, 1919, 3439, 3838, 6878, 7676, 13756, 18281, 36562, 73124, 347339, 694678, 1389356]

約数ペア:

[(1, 1389356), (2, 694678), (4, 347339), (19, 73124), (38, 36562), (76, 18281), (101, 13756), (181, 7676), (202, 6878), (362, 3838), (404, 3439), (724, 1919)]