81409398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{52387}}^1$

素因数の和:52436

約数の個数: 32

約数和(自身を含む): 191111424

約数和(自身を除く): 109702026

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 52387, 104774, 157161, 314322, 366709, 733418, 1100127, 1938319, 2200254, 3876638, 5814957, 11629914, 13568233, 27136466, 40704699, 81409398]

約数ペア:

[(1, 81409398), (2, 40704699), (3, 27136466), (6, 13568233), (7, 11629914), (14, 5814957), (21, 3876638), (37, 2200254), (42, 1938319), (74, 1100127), (111, 733418), (222, 366709), (259, 314322), (518, 157161), (777, 104774), (1554, 52387)]