207818828

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{172607}}^1$

素因数の和:172661

約数の個数: 24

約数和(自身を含む): 425306112

約数和(自身を除く): 217487284

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 172607, 345214, 690428, 1208249, 2416498, 4832996, 7422101, 14844202, 29688404, 51954707, 103909414, 207818828]

約数ペア:

[(1, 207818828), (2, 103909414), (4, 51954707), (7, 29688404), (14, 14844202), (28, 7422101), (43, 4832996), (86, 2416498), (172, 1208249), (301, 690428), (602, 345214), (1204, 172607)]