129905692

素因数分解:

$2^2\times 7^1\times {\mathrm{4639489}}^1$

素因数の和:4639500

約数の個数: 12

約数和(自身を含む): 259811440

約数和(自身を除く): 129905748

約数列:

[1, 2, 4, 7, 14, 28, 4639489, 9278978, 18557956, 32476423, 64952846, 129905692]

約数ペア:

[(1, 129905692), (2, 64952846), (4, 32476423), (7, 18557956), (14, 9278978), (28, 4639489)]