81908708

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{8287}}^1$

素因数の和:8651

約数の個数: 24

約数和(自身を含む): 164301312

約数和(自身を除く): 82392604

約数列:

[1, 2, 4, 7, 14, 28, 353, 706, 1412, 2471, 4942, 8287, 9884, 16574, 33148, 58009, 116018, 232036, 2925311, 5850622, 11701244, 20477177, 40954354, 81908708]

約数ペア:

[(1, 81908708), (2, 40954354), (4, 20477177), (7, 11701244), (14, 5850622), (28, 2925311), (353, 232036), (706, 116018), (1412, 58009), (2471, 33148), (4942, 16574), (8287, 9884)]