247132978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{67931}}^1$

素因数の和:68057

約数の個数: 16

約数和(自身を含む): 396179424

約数和(自身を除く): 149046446

約数列:

[1, 2, 17, 34, 107, 214, 1819, 3638, 67931, 135862, 1154827, 2309654, 7268617, 14537234, 123566489, 247132978]

約数ペア:

[(1, 247132978), (2, 123566489), (17, 14537234), (34, 7268617), (107, 2309654), (214, 1154827), (1819, 135862), (3638, 67931)]