81107377

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{643}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 90592768

約数和(自身を除く): 9485391

約数列:

[1, 13, 31, 313, 403, 643, 4069, 8359, 9703, 19933, 126139, 201259, 259129, 2616367, 6239029, 81107377]

約数ペア:

[(1, 81107377), (13, 6239029), (31, 2616367), (313, 259129), (403, 201259), (643, 126139), (4069, 19933), (8359, 9703)]