209972714

素因数分解:

$2^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{18539}}^1$

素因数の和:19357

約数の個数: 16

約数和(自身を含む): 360417600

約数和(自身を除く): 150444886

約数列:

[1, 2, 7, 14, 809, 1618, 5663, 11326, 18539, 37078, 129773, 259546, 14998051, 29996102, 104986357, 209972714]

約数ペア:

[(1, 209972714), (2, 104986357), (7, 29996102), (14, 14998051), (809, 259546), (1618, 129773), (5663, 37078), (11326, 18539)]