978691490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13981307}}^1$

素因数の和:13981321

約数の個数: 16

約数和(自身を含む): 2013308352

約数和(自身を除く): 1034616862

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 13981307, 27962614, 69906535, 97869149, 139813070, 195738298, 489345745, 978691490]

約数ペア:

[(1, 978691490), (2, 489345745), (5, 195738298), (7, 139813070), (10, 97869149), (14, 69906535), (35, 27962614), (70, 13981307)]