221077136

素因数分解:

$2^4\times 7^1\times {\mathrm{1973903}}^1$

素因数の和:1973918

約数の個数: 20

約数和(自身を含む): 489528192

約数和(自身を除く): 268451056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1973903, 3947806, 7895612, 13817321, 15791224, 27634642, 31582448, 55269284, 110538568, 221077136]

約数ペア:

[(1, 221077136), (2, 110538568), (4, 55269284), (7, 31582448), (8, 27634642), (14, 15791224), (16, 13817321), (28, 7895612), (56, 3947806), (112, 1973903)]