131718256

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{265561}}^1$

素因数の和:265600

約数の個数: 20

約数和(自身を含む): 263437504

約数和(自身を除く): 131719248

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 265561, 531122, 1062244, 2124488, 4248976, 8232391, 16464782, 32929564, 65859128, 131718256]

約数ペア:

[(1, 131718256), (2, 65859128), (4, 32929564), (8, 16464782), (16, 8232391), (31, 4248976), (62, 2124488), (124, 1062244), (248, 531122), (496, 265561)]