389964379

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127481}}^1$

素因数の和:127530

約数の個数: 16

約数和(自身を含む): 489530880

約数和(自身を除く): 99566501

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 127481, 892367, 2422139, 2932063, 16954973, 20524441, 55709197, 389964379]

約数ペア:

[(1, 389964379), (7, 55709197), (19, 20524441), (23, 16954973), (133, 2932063), (161, 2422139), (437, 892367), (3059, 127481)]