209915906

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{739}}^1\times {\mathrm{1303}}^1$

素因数の和:2153

約数の個数: 16

約数和(自身を含む): 318436800

約数和(自身を除く): 108520894

約数列:

[1, 2, 109, 218, 739, 1303, 1478, 2606, 80551, 142027, 161102, 284054, 962917, 1925834, 104957953, 209915906]

約数ペア:

[(1, 209915906), (2, 104957953), (109, 1925834), (218, 962917), (739, 284054), (1303, 161102), (1478, 142027), (2606, 80551)]