2011972193

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1847}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 2669635584

約数和(自身を除く): 657663391

約数列:

[1, 7, 11, 43, 47, 49, 77, 301, 329, 473, 517, 539, 1847, 2021, 2107, 2303, 3311, 3619, 12929, 14147, 20317, 22231, 23177, 25333, 79421, 86809, 90503, 99029, 142219, 155617, 555947, 607663, 873631, 954899, 995533, 1089319, 3732787, 3891629, 4253641, 6115417, 6684293, 26129509, 41060657, 42807919, 46790051, 182906563, 287424599, 2011972193]

約数ペア:

[(1, 2011972193), (7, 287424599), (11, 182906563), (43, 46790051), (47, 42807919), (49, 41060657), (77, 26129509), (301, 6684293), (329, 6115417), (473, 4253641), (517, 3891629), (539, 3732787), (1847, 1089319), (2021, 995533), (2107, 954899), (2303, 873631), (3311, 607663), (3619, 555947), (12929, 155617), (14147, 142219), (20317, 99029), (22231, 90503), (23177, 86809), (25333, 79421)]