206849972

素因数分解:

$2^2\times 7^2\times {\mathrm{389}}^1\times {\mathrm{2713}}^1$

素因数の和:3120

約数の個数: 36

約数和(自身を含む): 422325540

約数和(自身を除く): 215475568

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 389, 778, 1556, 2713, 2723, 5426, 5446, 10852, 10892, 18991, 19061, 37982, 38122, 75964, 76244, 132937, 265874, 531748, 1055357, 2110714, 4221428, 7387499, 14774998, 29549996, 51712493, 103424986, 206849972]

約数ペア:

[(1, 206849972), (2, 103424986), (4, 51712493), (7, 29549996), (14, 14774998), (28, 7387499), (49, 4221428), (98, 2110714), (196, 1055357), (389, 531748), (778, 265874), (1556, 132937), (2713, 76244), (2723, 75964), (5426, 38122), (5446, 37982), (10852, 19061), (10892, 18991)]