207788728

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{86291}}^1$

素因数の和:86347

約数の個数: 32

約数和(自身を含む): 455621760

約数和(自身を除く): 247833032

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 86291, 172582, 345164, 604037, 690328, 1208074, 2416148, 3710513, 4832296, 7421026, 14842052, 25973591, 29684104, 51947182, 103894364, 207788728]

約数ペア:

[(1, 207788728), (2, 103894364), (4, 51947182), (7, 29684104), (8, 25973591), (14, 14842052), (28, 7421026), (43, 4832296), (56, 3710513), (86, 2416148), (172, 1208074), (301, 690328), (344, 604037), (602, 345164), (1204, 172582), (2408, 86291)]