216728456

素因数分解:

$2^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{14281}}^1$

素因数の和:14565

約数の個数: 32

約数和(自身を含む): 466164480

約数和(自身を除く): 249436024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 271, 542, 1084, 1897, 2168, 3794, 7588, 14281, 15176, 28562, 57124, 99967, 114248, 199934, 399868, 799736, 3870151, 7740302, 15480604, 27091057, 30961208, 54182114, 108364228, 216728456]

約数ペア:

[(1, 216728456), (2, 108364228), (4, 54182114), (7, 30961208), (8, 27091057), (14, 15480604), (28, 7740302), (56, 3870151), (271, 799736), (542, 399868), (1084, 199934), (1897, 114248), (2168, 99967), (3794, 57124), (7588, 28562), (14281, 15176)]