209675810

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{31721}}^1$

素因数の和:32389

約数の個数: 16

約数和(自身を含む): 377999352

約数和(自身を除く): 168323542

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 6610, 31721, 63442, 158605, 317210, 20967581, 41935162, 104837905, 209675810]

約数ペア:

[(1, 209675810), (2, 104837905), (5, 41935162), (10, 20967581), (661, 317210), (1322, 158605), (3305, 63442), (6610, 31721)]