81634588

素因数分解:

$2^2\times 7^2\times {\mathrm{416503}}^1$

素因数の和:416521

約数の個数: 18

約数和(自身を含む): 166185096

約数和(自身を除く): 84550508

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 416503, 833006, 1666012, 2915521, 5831042, 11662084, 20408647, 40817294, 81634588]

約数ペア:

[(1, 81634588), (2, 40817294), (4, 20408647), (7, 11662084), (14, 5831042), (28, 2915521), (49, 1666012), (98, 833006), (196, 416503)]