139980239

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{2777}}^1$

素因数の和:3182

約数の個数: 16

約数和(自身を含む): 168902400

約数和(自身を除く): 28922161

約数列:

[1, 7, 19, 133, 379, 2653, 2777, 7201, 19439, 50407, 52763, 369341, 1052483, 7367381, 19997177, 139980239]

約数ペア:

[(1, 139980239), (7, 19997177), (19, 7367381), (133, 1052483), (379, 369341), (2653, 52763), (2777, 50407), (7201, 19439)]