208540864

素因数分解:

$2^6\times 7^2\times {\mathrm{66499}}^1$

素因数の和:66525

約数の個数: 42

約数和(自身を含む): 481393500

約数和(自身を除く): 272852636

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 66499, 132998, 265996, 465493, 531992, 930986, 1063984, 1861972, 2127968, 3258451, 3723944, 4255936, 6516902, 7447888, 13033804, 14895776, 26067608, 29791552, 52135216, 104270432, 208540864]

約数ペア:

[(1, 208540864), (2, 104270432), (4, 52135216), (7, 29791552), (8, 26067608), (14, 14895776), (16, 13033804), (28, 7447888), (32, 6516902), (49, 4255936), (56, 3723944), (64, 3258451), (98, 2127968), (112, 1861972), (196, 1063984), (224, 930986), (392, 531992), (448, 465493), (784, 265996), (1568, 132998), (3136, 66499)]