77789334544

素因数分解:

$2^4\times {\mathrm{2221}}^1\times {\mathrm{2189029}}^1$

素因数の和:2191258

約数の個数: 20

約数和(自身を含む): 150784764460

約数和(自身を除く): 72995429916

約数列:

[1, 2, 4, 8, 16, 2221, 4442, 8884, 17768, 35536, 2189029, 4378058, 8756116, 17512232, 35024464, 4861833409, 9723666818, 19447333636, 38894667272, 77789334544]

約数ペア:

[(1, 77789334544), (2, 38894667272), (4, 19447333636), (8, 9723666818), (16, 4861833409), (2221, 35024464), (4442, 17512232), (8884, 8756116), (17768, 4378058), (35536, 2189029)]