128880416

素因数分解:

$2^5\times 7^1\times {\mathrm{575359}}^1$

素因数の和:575376

約数の個数: 24

約数和(自身を含む): 289981440

約数和(自身を除く): 161101024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 575359, 1150718, 2301436, 4027513, 4602872, 8055026, 9205744, 16110052, 18411488, 32220104, 64440208, 128880416]

約数ペア:

[(1, 128880416), (2, 64440208), (4, 32220104), (7, 18411488), (8, 16110052), (14, 9205744), (16, 8055026), (28, 4602872), (32, 4027513), (56, 2301436), (112, 1150718), (224, 575359)]