68487986

素因数分解:

$2^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{1373}}^1$

素因数の和:1898

約数の個数: 24

約数和(自身を含む): 119826540

約数和(自身を除く): 51338554

約数列:

[1, 2, 7, 14, 49, 98, 509, 1018, 1373, 2746, 3563, 7126, 9611, 19222, 24941, 49882, 67277, 134554, 698857, 1397714, 4891999, 9783998, 34243993, 68487986]

約数ペア:

[(1, 68487986), (2, 34243993), (7, 9783998), (14, 4891999), (49, 1397714), (98, 698857), (509, 134554), (1018, 67277), (1373, 49882), (2746, 24941), (3563, 19222), (7126, 9611)]