168889328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{555557}}^1$

素因数の和:555584

約数の個数: 20

約数和(自身を含む): 344445960

約数和(自身を除く): 175556632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 555557, 1111114, 2222228, 4444456, 8888912, 10555583, 21111166, 42222332, 84444664, 168889328]

約数ペア:

[(1, 168889328), (2, 84444664), (4, 42222332), (8, 21111166), (16, 10555583), (19, 8888912), (38, 4444456), (76, 2222228), (152, 1111114), (304, 555557)]