78891211

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{3011}}^1$

素因数の和:3234

約数の個数: 16

約数和(自身を含む): 95420160

約数和(自身を除く): 16528949

約数列:

[1, 7, 19, 133, 197, 1379, 3011, 3743, 21077, 26201, 57209, 400463, 593167, 4152169, 11270173, 78891211]

約数ペア:

[(1, 78891211), (7, 11270173), (19, 4152169), (133, 593167), (197, 400463), (1379, 57209), (3011, 26201), (3743, 21077)]