128928464

素因数分解:

$2^4\times 7^1\times {\mathrm{1151147}}^1$

素因数の和:1151162

約数の個数: 20

約数和(自身を含む): 285484704

約数和(自身を除く): 156556240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1151147, 2302294, 4604588, 8058029, 9209176, 16116058, 18418352, 32232116, 64464232, 128928464]

約数ペア:

[(1, 128928464), (2, 64464232), (4, 32232116), (7, 18418352), (8, 16116058), (14, 9209176), (16, 8058029), (28, 4604588), (56, 2302294), (112, 1151147)]