81258884

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{70783}}^1$

素因数の和:70835

約数の個数: 24

約数和(自身を含む): 166483968

約数和(自身を除く): 85225084

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 70783, 141566, 283132, 495481, 990962, 1981924, 2902103, 5804206, 11608412, 20314721, 40629442, 81258884]

約数ペア:

[(1, 81258884), (2, 40629442), (4, 20314721), (7, 11608412), (14, 5804206), (28, 2902103), (41, 1981924), (82, 990962), (164, 495481), (287, 283132), (574, 141566), (1148, 70783)]