25456144

素因数分解:

$2^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1361}}^1$

素因数の和:1543

約数の個数: 40

約数和(自身を含む): 56746368

約数和(自身を除く): 31290224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 167, 334, 668, 1169, 1336, 1361, 2338, 2672, 2722, 4676, 5444, 9352, 9527, 10888, 18704, 19054, 21776, 38108, 76216, 152432, 227287, 454574, 909148, 1591009, 1818296, 3182018, 3636592, 6364036, 12728072, 25456144]

約数ペア:

[(1, 25456144), (2, 12728072), (4, 6364036), (7, 3636592), (8, 3182018), (14, 1818296), (16, 1591009), (28, 909148), (56, 454574), (112, 227287), (167, 152432), (334, 76216), (668, 38108), (1169, 21776), (1336, 19054), (1361, 18704), (2338, 10888), (2672, 9527), (2722, 9352), (4676, 5444)]