819376

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{617}}^1$

素因数の和:708

約数の個数: 20

約数和(自身を含む): 1609272

約数和(自身を除く): 789896

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 617, 664, 1234, 1328, 2468, 4936, 9872, 51211, 102422, 204844, 409688, 819376]

約数ペア:

[(1, 819376), (2, 409688), (4, 204844), (8, 102422), (16, 51211), (83, 9872), (166, 4936), (332, 2468), (617, 1328), (664, 1234)]