128689904

素因数分解:

$2^4\times 7^1\times {\mathrm{1149017}}^1$

素因数の和:1149032

約数の個数: 20

約数和(自身を含む): 284956464

約数和(自身を除く): 156266560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1149017, 2298034, 4596068, 8043119, 9192136, 16086238, 18384272, 32172476, 64344952, 128689904]

約数ペア:

[(1, 128689904), (2, 64344952), (4, 32172476), (7, 18384272), (8, 16086238), (14, 9192136), (16, 8043119), (28, 4596068), (56, 2298034), (112, 1149017)]