81126256

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163561}}^1$

素因数の和:163600

約数の個数: 20

約数和(自身を含む): 162253504

約数和(自身を除く): 81127248

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 163561, 327122, 654244, 1308488, 2616976, 5070391, 10140782, 20281564, 40563128, 81126256]

約数ペア:

[(1, 81126256), (2, 40563128), (4, 20281564), (8, 10140782), (16, 5070391), (31, 2616976), (62, 1308488), (124, 654244), (248, 327122), (496, 163561)]