28686610

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{6389}}^1$

素因数の和:6845

約数の個数: 16

約数和(自身を含む): 51759000

約数和(自身を除く): 23072390

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 6389, 12778, 31945, 63890, 2868661, 5737322, 14343305, 28686610]

約数ペア:

[(1, 28686610), (2, 14343305), (5, 5737322), (10, 2868661), (449, 63890), (898, 31945), (2245, 12778), (4490, 6389)]