81259612

素因数分解:

$2^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{10477}}^1$

素因数の和:10765

約数の個数: 24

約数和(自身を含む): 163121504

約数和(自身を除く): 81861892

約数列:

[1, 2, 4, 7, 14, 28, 277, 554, 1108, 1939, 3878, 7756, 10477, 20954, 41908, 73339, 146678, 293356, 2902129, 5804258, 11608516, 20314903, 40629806, 81259612]

約数ペア:

[(1, 81259612), (2, 40629806), (4, 20314903), (7, 11608516), (14, 5804258), (28, 2902129), (277, 293356), (554, 146678), (1108, 73339), (1939, 41908), (3878, 20954), (7756, 10477)]