16864331356

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{10308271}}^1$

素因数の和:10308684

約数の個数: 12

約数和(自身を含む): 29584740640

約数和(自身を除く): 12720409284

約数列:

[1, 2, 4, 409, 818, 1636, 10308271, 20616542, 41233084, 4216082839, 8432165678, 16864331356]

約数ペア:

[(1, 16864331356), (2, 8432165678), (4, 4216082839), (409, 41233084), (818, 20616542), (1636, 10308271)]