78493457

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{15727}}^1$

素因数の和:15788

約数の個数: 16

約数和(自身を含む): 96632832

約数和(自身を除く): 18139375

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 15727, 110089, 361721, 487537, 2532047, 3412759, 11213351, 78493457]

約数ペア:

[(1, 78493457), (7, 11213351), (23, 3412759), (31, 2532047), (161, 487537), (217, 361721), (713, 110089), (4991, 15727)]