388493

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:176

約数の個数: 16

約数和(自身を含む): 491520

約数和(自身を除く): 103027

約数列:

[1, 7, 19, 23, 127, 133, 161, 437, 889, 2413, 2921, 3059, 16891, 20447, 55499, 388493]

約数ペア:

[(1, 388493), (7, 55499), (19, 20447), (23, 16891), (127, 3059), (133, 2921), (161, 2413), (437, 889)]