40250161

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 49472640

約数和(自身を除く): 9222479

約数列:

[1, 7, 23, 53, 89, 161, 371, 623, 1219, 2047, 2809, 4717, 8533, 14329, 19663, 33019, 64607, 108491, 250001, 452249, 759437, 1750007, 5750023, 40250161]

約数ペア:

[(1, 40250161), (7, 5750023), (23, 1750007), (53, 759437), (89, 452249), (161, 250001), (371, 108491), (623, 64607), (1219, 33019), (2047, 19663), (2809, 14329), (4717, 8533)]