78261890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1118027}}^1$

素因数の和:1118041

約数の個数: 16

約数和(自身を含む): 160996032

約数和(自身を除く): 82734142

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1118027, 2236054, 5590135, 7826189, 11180270, 15652378, 39130945, 78261890]

約数ペア:

[(1, 78261890), (2, 39130945), (5, 15652378), (7, 11180270), (10, 7826189), (14, 5590135), (35, 2236054), (70, 1118027)]