188399071

素因数分解:

$7^2\times {\mathrm{139}}^2\times {\mathrm{199}}^1$

素因数の和:491

約数の個数: 18

約数和(自身を含む): 221855400

約数和(自身を除く): 33456329

約数列:

[1, 7, 49, 139, 199, 973, 1393, 6811, 9751, 19321, 27661, 135247, 193627, 946729, 1355389, 3844879, 26914153, 188399071]

約数ペア:

[(1, 188399071), (7, 26914153), (49, 3844879), (139, 1355389), (199, 946729), (973, 193627), (1393, 135247), (6811, 27661), (9751, 19321)]