39680543

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 48706272

約数和(自身を除く): 9025729

約数列:

[1, 7, 23, 49, 137, 161, 257, 959, 1127, 1799, 3151, 5911, 6713, 12593, 22057, 35209, 41377, 154399, 246463, 289639, 809807, 1725241, 5668649, 39680543]

約数ペア:

[(1, 39680543), (7, 5668649), (23, 1725241), (49, 809807), (137, 289639), (161, 246463), (257, 154399), (959, 41377), (1127, 35209), (1799, 22057), (3151, 12593), (5911, 6713)]