78801638

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{4049}}^1$

素因数の和:4351

約数の個数: 16

約数和(自身を含む): 121888800

約数和(自身を除く): 43087162

約数列:

[1, 2, 37, 74, 263, 526, 4049, 8098, 9731, 19462, 149813, 299626, 1064887, 2129774, 39400819, 78801638]

約数ペア:

[(1, 78801638), (2, 39400819), (37, 2129774), (74, 1064887), (263, 299626), (526, 149813), (4049, 19462), (8098, 9731)]