1287469288

素因数分解:

$2^3\times 7^1\times {\mathrm{22990523}}^1$

素因数の和:22990536

約数の個数: 16

約数和(自身を含む): 2758862880

約数和(自身を除く): 1471393592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 22990523, 45981046, 91962092, 160933661, 183924184, 321867322, 643734644, 1287469288]

約数ペア:

[(1, 1287469288), (2, 643734644), (4, 321867322), (7, 183924184), (8, 160933661), (14, 91962092), (28, 45981046), (56, 22990523)]