78987874

素因数分解:

$2^1\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{4271}}^1$

素因数の和:5601

約数の個数: 16

約数和(自身を含む): 135542016

約数和(自身を除く): 56554142

約数列:

[1, 2, 7, 14, 1321, 2642, 4271, 8542, 9247, 18494, 29897, 59794, 5641991, 11283982, 39493937, 78987874]

約数ペア:

[(1, 78987874), (2, 39493937), (7, 11283982), (14, 5641991), (1321, 59794), (2642, 29897), (4271, 18494), (8542, 9247)]