87856412

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{19489}}^1$

素因数の和:19530

約数の個数: 36

約数和(自身を含む): 186636240

約数和(自身を除く): 98779828

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 19489, 38978, 77956, 136423, 272846, 448247, 545692, 896494, 954961, 1792988, 1909922, 3137729, 3819844, 6275458, 12550916, 21964103, 43928206, 87856412]

約数ペア:

[(1, 87856412), (2, 43928206), (4, 21964103), (7, 12550916), (14, 6275458), (23, 3819844), (28, 3137729), (46, 1909922), (49, 1792988), (92, 954961), (98, 896494), (161, 545692), (196, 448247), (322, 272846), (644, 136423), (1127, 77956), (2254, 38978), (4508, 19489)]