212978276

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{38611}}^1$

素因数の和:38819

約数の個数: 24

約数和(自身を含む): 428129856

約数和(自身を除く): 215151580

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 38611, 77222, 154444, 270277, 540554, 1081108, 7606367, 15212734, 30425468, 53244569, 106489138, 212978276]

約数ペア:

[(1, 212978276), (2, 106489138), (4, 53244569), (7, 30425468), (14, 15212734), (28, 7606367), (197, 1081108), (394, 540554), (788, 270277), (1379, 154444), (2758, 77222), (5516, 38611)]