156728656

素因数分解:

$2^4\times 7^2\times {\mathrm{199909}}^1$

素因数の和:199931

約数の個数: 30

約数和(自身を含む): 353240970

約数和(自身を除く): 196512314

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 199909, 399818, 799636, 1399363, 1599272, 2798726, 3198544, 5597452, 9795541, 11194904, 19591082, 22389808, 39182164, 78364328, 156728656]

約数ペア:

[(1, 156728656), (2, 78364328), (4, 39182164), (7, 22389808), (8, 19591082), (14, 11194904), (16, 9795541), (28, 5597452), (49, 3198544), (56, 2798726), (98, 1599272), (112, 1399363), (196, 799636), (392, 399818), (784, 199909)]