209401906

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{67073}}^1$

素因数の和:67305

約数の個数: 16

約数和(自身を含む): 360589824

約数和(自身を除く): 151187918

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 67073, 134146, 469511, 939022, 14957279, 29914558, 104700953, 209401906]

約数ペア:

[(1, 209401906), (2, 104700953), (7, 29914558), (14, 14957279), (223, 939022), (446, 469511), (1561, 134146), (3122, 67073)]