256508911

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{22921}}^1$

素因数の和:22990

約数の個数: 12

約数和(自身を含む): 279465024

約数和(自身を除く): 22956113

約数列:

[1, 19, 31, 361, 589, 11191, 22921, 435499, 710551, 8274481, 13500469, 256508911]

約数ペア:

[(1, 256508911), (19, 13500469), (31, 8274481), (361, 710551), (589, 435499), (11191, 22921)]