128978024

素因数分解:

$2^3\times 7^1\times {\mathrm{2303179}}^1$

素因数の和:2303192

約数の個数: 16

約数和(自身を含む): 276381600

約数和(自身を除く): 147403576

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2303179, 4606358, 9212716, 16122253, 18425432, 32244506, 64489012, 128978024]

約数ペア:

[(1, 128978024), (2, 64489012), (4, 32244506), (7, 18425432), (8, 16122253), (14, 9212716), (28, 4606358), (56, 2303179)]