78448412

素因数分解:

$2^2\times 7^2\times {\mathrm{400247}}^1$

素因数の和:400265

約数の個数: 18

約数和(自身を含む): 159698952

約数和(自身を除く): 81250540

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 400247, 800494, 1600988, 2801729, 5603458, 11206916, 19612103, 39224206, 78448412]

約数ペア:

[(1, 78448412), (2, 39224206), (4, 19612103), (7, 11206916), (14, 5603458), (28, 2801729), (49, 1600988), (98, 800494), (196, 400247)]