28161574

素因数分解:

$2^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{4289}}^1$

素因数の和:4372

約数の個数: 24

約数和(自身を含む): 49884120

約数和(自身を除く): 21722546

約数列:

[1, 2, 7, 14, 49, 67, 98, 134, 469, 938, 3283, 4289, 6566, 8578, 30023, 60046, 210161, 287363, 420322, 574726, 2011541, 4023082, 14080787, 28161574]

約数ペア:

[(1, 28161574), (2, 14080787), (7, 4023082), (14, 2011541), (49, 574726), (67, 420322), (98, 287363), (134, 210161), (469, 60046), (938, 30023), (3283, 8578), (4289, 6566)]