81211229

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1249}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 92880000

約数和(自身を除く): 11668771

約数列:

[1, 11, 23, 253, 257, 1249, 2827, 5911, 13739, 28727, 65021, 315997, 320993, 3530923, 7382839, 81211229]

約数ペア:

[(1, 81211229), (11, 7382839), (23, 3530923), (253, 320993), (257, 315997), (1249, 65021), (2827, 28727), (5911, 13739)]