131487188

素因数分解:

$2^2\times 7^2\times {\mathrm{670853}}^1$

素因数の和:670871

約数の個数: 18

約数和(自身を含む): 267670746

約数和(自身を除く): 136183558

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 670853, 1341706, 2683412, 4695971, 9391942, 18783884, 32871797, 65743594, 131487188]

約数ペア:

[(1, 131487188), (2, 65743594), (4, 32871797), (7, 18783884), (14, 9391942), (28, 4695971), (49, 2683412), (98, 1341706), (196, 670853)]