205811152

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{32401}}^1$

素因数の和:32806

約数の個数: 20

約数和(自身を含む): 399775876

約数和(自身を除く): 193964724

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 6352, 32401, 64802, 129604, 259208, 518416, 12863197, 25726394, 51452788, 102905576, 205811152]

約数ペア:

[(1, 205811152), (2, 102905576), (4, 51452788), (8, 25726394), (16, 12863197), (397, 518416), (794, 259208), (1588, 129604), (3176, 64802), (6352, 32401)]