128893394

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{137413}}^1$

素因数の和:137489

約数の個数: 16

約数和(自身を含む): 224259648

約数和(自身を除く): 95366254

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 137413, 274826, 961891, 1923782, 9206671, 18413342, 64446697, 128893394]

約数ペア:

[(1, 128893394), (2, 64446697), (7, 18413342), (14, 9206671), (67, 1923782), (134, 961891), (469, 274826), (938, 137413)]