208540808

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{195997}}^1$

素因数の和:196029

約数の個数: 32

約数和(自身を含む): 470395200

約数和(自身を除く): 261854392

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 195997, 391994, 783988, 1371979, 1567976, 2743958, 3723943, 5487916, 7447886, 10975832, 14895772, 26067601, 29791544, 52135202, 104270404, 208540808]

約数ペア:

[(1, 208540808), (2, 104270404), (4, 52135202), (7, 29791544), (8, 26067601), (14, 14895772), (19, 10975832), (28, 7447886), (38, 5487916), (56, 3723943), (76, 2743958), (133, 1567976), (152, 1371979), (266, 783988), (532, 391994), (1064, 195997)]