81661524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{972161}}^1$

素因数の和:972175

約数の個数: 24

約数和(自身を含む): 217764288

約数和(自身を除く): 136102764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 972161, 1944322, 2916483, 3888644, 5832966, 6805127, 11665932, 13610254, 20415381, 27220508, 40830762, 81661524]

約数ペア:

[(1, 81661524), (2, 40830762), (3, 27220508), (4, 20415381), (6, 13610254), (7, 11665932), (12, 6805127), (14, 5832966), (21, 3888644), (28, 2916483), (42, 1944322), (84, 972161)]