978171404

素因数分解:

$2^2\times 7^1\times {\mathrm{34934693}}^1$

素因数の和:34934704

約数の個数: 12

約数和(自身を含む): 1956342864

約数和(自身を除く): 978171460

約数列:

[1, 2, 4, 7, 14, 28, 34934693, 69869386, 139738772, 244542851, 489085702, 978171404]

約数ペア:

[(1, 978171404), (2, 489085702), (4, 244542851), (7, 139738772), (14, 69869386), (28, 34934693)]