81008072

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{215447}}^1$

素因数の和:215500

約数の個数: 16

約数和(自身を含む): 155122560

約数和(自身を除く): 74114488

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 215447, 430894, 861788, 1723576, 10126009, 20252018, 40504036, 81008072]

約数ペア:

[(1, 81008072), (2, 40504036), (4, 20252018), (8, 10126009), (47, 1723576), (94, 861788), (188, 430894), (376, 215447)]