71878919

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1531}}^1$

素因数の和:1910

約数の個数: 16

約数和(自身を含む): 86772480

約数和(自身を除く): 14893561

約数列:

[1, 7, 19, 133, 353, 1531, 2471, 6707, 10717, 29089, 46949, 203623, 540443, 3783101, 10268417, 71878919]

約数ペア:

[(1, 71878919), (7, 10268417), (19, 3783101), (133, 540443), (353, 203623), (1531, 46949), (2471, 29089), (6707, 10717)]