16642978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 28366272

約数和(自身を除く): 11723294

約数列:

[1, 2, 11, 22, 43, 73, 86, 146, 241, 473, 482, 803, 946, 1606, 2651, 3139, 5302, 6278, 10363, 17593, 20726, 34529, 35186, 69058, 113993, 193523, 227986, 387046, 756499, 1512998, 8321489, 16642978]

約数ペア:

[(1, 16642978), (2, 8321489), (11, 1512998), (22, 756499), (43, 387046), (73, 227986), (86, 193523), (146, 113993), (241, 69058), (473, 35186), (482, 34529), (803, 20726), (946, 17593), (1606, 10363), (2651, 6278), (3139, 5302)]