8780286

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{20611}}^1$

素因数の和:20687

約数の個数: 16

約数和(自身を含む): 17808768

約数和(自身を除く): 9028482

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 20611, 41222, 61833, 123666, 1463381, 2926762, 4390143, 8780286]

約数ペア:

[(1, 8780286), (2, 4390143), (3, 2926762), (6, 1463381), (71, 123666), (142, 61833), (213, 41222), (426, 20611)]