208528328

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{20903}}^1$

素因数の和:20981

約数の個数: 32

約数和(自身を含む): 413899200

約数和(自身を除く): 205370872

約数列:

[1, 2, 4, 8, 29, 43, 58, 86, 116, 172, 232, 344, 1247, 2494, 4988, 9976, 20903, 41806, 83612, 167224, 606187, 898829, 1212374, 1797658, 2424748, 3595316, 4849496, 7190632, 26066041, 52132082, 104264164, 208528328]

約数ペア:

[(1, 208528328), (2, 104264164), (4, 52132082), (8, 26066041), (29, 7190632), (43, 4849496), (58, 3595316), (86, 2424748), (116, 1797658), (172, 1212374), (232, 898829), (344, 606187), (1247, 167224), (2494, 83612), (4988, 41806), (9976, 20903)]