399444992

素因数分解:

$2^{10}\times {\mathrm{390083}}^1$

素因数の和:390103

約数の個数: 22

約数和(自身を含む): 798501948

約数和(自身を除く): 399056956

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 390083, 780166, 1560332, 3120664, 6241328, 12482656, 24965312, 49930624, 99861248, 199722496, 399444992]

約数ペア:

[(1, 399444992), (2, 199722496), (4, 99861248), (8, 49930624), (16, 24965312), (32, 12482656), (64, 6241328), (128, 3120664), (256, 1560332), (512, 780166), (1024, 390083)]