81640288

素因数分解:

$2^5\times {\mathrm{167}}^1\times {\mathrm{15277}}^1$

素因数の和:15454

約数の個数: 24

約数和(自身を含む): 161702352

約数和(自身を除く): 80062064

約数列:

[1, 2, 4, 8, 16, 32, 167, 334, 668, 1336, 2672, 5344, 15277, 30554, 61108, 122216, 244432, 488864, 2551259, 5102518, 10205036, 20410072, 40820144, 81640288]

約数ペア:

[(1, 81640288), (2, 40820144), (4, 20410072), (8, 10205036), (16, 5102518), (32, 2551259), (167, 488864), (334, 244432), (668, 122216), (1336, 61108), (2672, 30554), (5344, 15277)]