81396966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{52379}}^1$

素因数の和:52428

約数の個数: 32

約数和(自身を含む): 191082240

約数和(自身を除く): 109685274

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 52379, 104758, 157137, 314274, 366653, 733306, 1099959, 1938023, 2199918, 3876046, 5814069, 11628138, 13566161, 27132322, 40698483, 81396966]

約数ペア:

[(1, 81396966), (2, 40698483), (3, 27132322), (6, 13566161), (7, 11628138), (14, 5814069), (21, 3876046), (37, 2199918), (42, 1938023), (74, 1099959), (111, 733306), (222, 366653), (259, 314274), (518, 157137), (777, 104758), (1554, 52379)]